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框架","主流 Agent 框架：LangChain、LlamaIndex、AutoGen、CrewAI",{"path":17,"title":18,"description":19},"\u002Fai\u002Fagent\u002Fhooks","Agent Hooks 与自动化","Claude Agent 的 Hooks 生命周期、事件类型、典型自动化场景",{"path":21,"title":22,"description":23},"\u002Fai\u002Fagent\u002Fintroduction","AI Agent 概述","AI Agent 核心概念：感知、规划、执行、记忆",{"path":25,"title":26,"description":27},"\u002Fai\u002Fagent\u002Fpractice","Agent 实战","AI Agent 实战：构建自主任务执行系统",{"path":29,"title":30,"description":31},"\u002Fai\u002Fagent\u002Fsdk","Claude Agent SDK 开发","使用 Claude Agent SDK 构建自定义 AI Agent：架构、API、生命周期",{"path":33,"title":34,"description":35},"\u002Fai\u002Fagent\u002Fsubagents","Subagents 子代理","用 Subagents 分解复杂任务、并发执行、隔离上下文",{"path":37,"title":38,"description":39},"\u002Fai\u002Fagent\u002Ftool-use","工具调用","AI Agent 工具调用：Function Calling、Tool Use 原理与实践",{"path":41,"title":42,"description":43},"\u002Fai\u002Ffundamentals\u002Fdeep-learning","深度学习入门","深度学习基础知识：前向传播、反向传播、损失函数、优化器",{"path":45,"title":46,"description":47},"\u002Fai\u002Ffundamentals\u002Fml-basics","机器学习基础","机器学习核心概念：监督学习、无监督学习、强化学习",{"path":49,"title":50,"description":51},"\u002Fai\u002Ffundamentals\u002Fneural-networks","神经网络原理","神经网络架构：CNN、RNN、注意力机制",{"path":53,"title":54,"description":55},"\u002Fai\u002Fgetting-started","AI 学习路线","AI 技术学习路线图，从基础到实战的完整指南",{"path":57,"title":58,"description":59},"\u002Fai\u002Fllm\u002Ffine-tuning","模型微调","大模型微调技术：LoRA、QLoRA、全量微调、RLHF",{"path":61,"title":62,"description":63},"\u002Fai\u002Fllm\u002Fintroduction","大模型概述","大语言模型发展历程、核心能力与主流模型对比",{"path":65,"title":66,"description":67},"\u002Fai\u002Fllm\u002Flocal-deploy","本地部署","大模型本地部署：Ollama、vLLM、llama.cpp",{"path":69,"title":70,"description":71},"\u002Fai\u002Fllm\u002Ftransformer","Transformer 架构","Transformer 架构详解：自注意力机制、位置编码、多头注意力",{"path":73,"title":74,"description":75},"\u002Fai\u002Fmcp\u002Fclient","MCP Client 开发","MCP Client 开发指南：连接、调用、集成",{"path":77,"title":78,"description":79},"\u002Fai\u002Fmcp\u002Fdebugging","MCP 调试与排错","MCP Server 开发与集成过程中的常见问题、日志分析、诊断工具",{"path":81,"title":82,"description":83},"\u002Fai\u002Fmcp\u002Fintroduction","MCP 概述","Model Context Protocol 协议概述：架构、核心概念、应用场景",{"path":85,"title":86,"description":87},"\u002Fai\u002Fmcp\u002Fserver","MCP Server 开发","MCP Server 开发指南：资源、工具、提示词的实现",{"path":89,"title":90,"description":91},"\u002Fai\u002Fmcp\u002Ftools","MCP Tools 深入","深入理解 MCP Tools：与 Resources\u002FPrompts 的差异、Schema 设计、Annotations 与权限控制",{"path":93,"title":94,"description":95},"\u002Fai\u002Fprompt\u002Fadvanced","高级 Prompt 模式","高级 Prompt 设计模式：Tree-of-Thought、自我反思、多轮对话策略",{"path":97,"title":98,"description":99},"\u002Fai\u002Fprompt\u002Fbasics","Prompt 基础","Prompt Engineering 入门：基本概念、角色设定、输出格式控制",{"path":101,"title":102,"description":103},"\u002Fai\u002Fprompt\u002Ftechniques","提示词技巧","常用提示词技巧：Few-shot、Chain-of-Thought、ReAct",{"path":105,"title":106,"description":107},"\u002Fai\u002Frag\u002Fembedding","文本嵌入","文本嵌入模型：Embedding 原理、模型选择、相似度计算",{"path":109,"title":110,"description":111},"\u002Fai\u002Frag\u002Fintroduction","RAG 概述","检索增强生成（RAG）架构原理、优势与应用场景",{"path":113,"title":114,"description":115},"\u002Fai\u002Frag\u002Fpractice","RAG 实战","RAG 应用实战：文档问答系统、知识库搭建",{"path":117,"title":118,"description":119},"\u002Fai\u002Frag\u002Fvector-database","向量数据库","主流向量数据库对比：Milvus、Pinecone、Chroma、Weaviate",{"path":121,"title":122,"description":123},"\u002Fai\u002Fskills\u002Fbest-practices","Skill 最佳实践","编写高质量 Skill 的设计原则、常见陷阱与优化技巧",{"path":125,"title":126,"description":127},"\u002Fai\u002Fskills\u002Fcreating","创建自定义 Skill","从零编写一个可被 Agent 自动发现和调用的 Skill",{"path":129,"title":130,"description":131},"\u002Fai\u002Fskills\u002Fintroduction","Agent Skills 概述","Claude Agent Skills 概念、工作原理、与 Tools\u002FMCP 的区别",{"path":133,"title":134,"description":135},"\u002Fgolang\u002Fadvanced\u002Fconcurrency","Go - 并发深入","深入理解 Go 并发编程的核心机制。",{"path":137,"title":138,"description":139},"\u002Fgolang\u002Fadvanced\u002Fgc","Go - 垃圾回收","理解 Go 的垃圾回收机制，掌握 GC 调优方法。",{"path":141,"title":142,"description":143},"\u002Fgolang\u002Fadvanced\u002Fgmp","Go - GMP 调度模型","GMP 是 Go 运行时调度器的核心模型，理解它对于编写高性能 Go 程序至关重要。",{"path":145,"title":146,"description":147},"\u002Fgolang\u002Fadvanced\u002Fgo-concurrency","Go - 并发编程","Go 的并发是其核心特性之一，通过 Goroutine 和 Channel 实现。",{"path":149,"title":150,"description":151},"\u002Fgolang\u002Fadvanced\u002Fmemory","Go - 内存模型","理解 Go 的内存分配机制和内存模型。",{"path":153,"title":154,"description":155},"\u002Fgolang\u002Fadvanced\u002Fprofiling","Go - 性能分析","掌握 Go 的性能分析工具：pprof、trace、benchmark。",{"path":157,"title":158,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-basic","Go - 基础语法",{"path":160,"title":161,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-composite","Go - 复合类型",{"path":163,"title":164,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-control","Go - 流程控制",{"path":166,"title":167,"description":168},"\u002Fgolang\u002Fcore\u002Fgo-error","Go - 错误处理","Go 使用显式的错误返回值来处理错误，而不是异常机制。",{"path":170,"title":171,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-function","Go - 函数",{"path":173,"title":174,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-install","Go - 环境搭建",{"path":176,"title":177,"description":11},"\u002Fgolang\u002Fcore\u002Fgo-interface","Go - 接口",{"path":179,"title":180,"description":181},"\u002Fgolang\u002Fcore\u002Fgo-module","Go - 包管理","Go Modules 是 Go 1.11 引入的官方依赖管理方案，Go 1.16 后成为默认模式。",{"path":183,"title":184,"description":185},"\u002Fgolang\u002Fdistributed\u002Fgrpc","Go - gRPC","gRPC 是 Google 开发的高性能 RPC 框架，使用 Protocol Buffers 作为序列化协议。",{"path":187,"title":188,"description":189},"\u002Fgolang\u002Fdistributed\u002Fmicroservice","Go - 微服务","微服务架构的核心组件：服务发现、负载均衡、熔断降级。",{"path":191,"title":192,"description":193},"\u002Fgolang\u002Fdistributed\u002Fmq","Go - 消息队列","使用 Go 操作 Kafka 和 RabbitMQ。",{"path":195,"title":196,"description":197},"\u002Fgolang\u002Fdistributed\u002Fredis","Go - Redis","使用 go-redis 操作 Redis，实现缓存、分布式锁等功能。",{"path":199,"title":200,"description":201},"\u002Fgolang\u002Fengineering\u002Fconfig","Go - 配置管理","使用 viper 进行配置管理，支持多种配置格式和配置中心。",{"path":203,"title":204,"description":205},"\u002Fgolang\u002Fengineering\u002Fdocker","Go - Docker 部署","使用 Docker 容器化部署 Go 应用。",{"path":207,"title":208,"description":209},"\u002Fgolang\u002Fengineering\u002Fkubernetes","Go - Kubernetes 部署","在 Kubernetes 上部署和管理 Go 应用。",{"path":211,"title":212,"description":213},"\u002Fgolang\u002Fengineering\u002Flogging","Go - 日志系统","使用 zap 和 logrus 构建高性能结构化日志系统。",{"path":215,"title":216,"description":217},"\u002Fgolang\u002Fengineering\u002Ftesting","Go - 单元测试","Go 内置了强大的测试框架，掌握测试是编写高质量代码的基础。",{"path":219,"title":220,"description":221},"\u002Fgolang\u002Fstdlib\u002Fbufio","bufio","在 Go 语言中，bufio 包提供了带缓冲的 I\u002FO 操作，能够提高读写性能。以下是一些常用的 bufio 包 API 及其详细说明：",{"path":223,"title":224,"description":225},"\u002Fgolang\u002Fstdlib\u002Fcontainer","container","在Go语言标准库中，container 包提供了几种常用的数据结构实现，这些数据结构对于高效地管理和操作数据非常有用。以下是 container 包中主要的数据结构：",{"path":227,"title":228,"description":229},"\u002Fgolang\u002Fstdlib\u002Fcrypto","crypto","在 Go 语言中，crypto 包提供了一组用于加密和解密的功能。以下是一些常用的 crypto 包及其子包的 API 及其详细说明：",{"path":231,"title":232,"description":233},"\u002Fgolang\u002Fstdlib\u002Fencoding-csv","encoding\u002Fcsv","在 Go 语言中，encoding\u002Fcsv 包提供了对 CSV（逗号分隔值）文件进行读写的功能。以下是一些常用的 encoding\u002Fcsv 包的 API 及其详细说明：",{"path":235,"title":236,"description":237},"\u002Fgolang\u002Fstdlib\u002Fencoding-json","encoding\u002Fjson","在 Go 语言中，encoding\u002Fjson 包提供了对 JSON 数据进行编码和解码的功能。以下是一些常用的 encoding\u002Fjson 包的 API 及其详细说明：",{"path":239,"title":240,"description":241},"\u002Fgolang\u002Fstdlib\u002Fencoding-xml","encoding\u002Fxml","在 Go 语言中，encoding\u002Fxml 包提供了对 XML 数据进行编码和解码的功能。以下是一些常用的 encoding\u002Fxml 包的 API 及其详细说明：",{"path":243,"title":244,"description":245},"\u002Fgolang\u002Fstdlib\u002Fflag","flag","在Go语言中，flag 包是用于处理命令行参数的标准库，它提供了一种简单而直接的方式来解析和使用命令行参数。下面是关于 flag 包的一些基本介绍和常用功能：",{"path":247,"title":248,"description":249},"\u002Fgolang\u002Fstdlib\u002Ffmt","fmt","在 Go 语言的标准库中，fmt 包是非常重要的，它提供了处理格式化输入和输出的基本工具。以下是一些 fmt 包内常用的API：",{"path":251,"title":252,"description":253},"\u002Fgolang\u002Fstdlib\u002Fhttp","net\u002Fhttp","在 Go 语言中，net\u002Fhttp 包提供了用于构建 HTTP 客户端和服务器的强大工具。以下是一些常用的 net\u002Fhttp 包的 API 及其详细说明：",{"path":255,"title":256,"description":257},"\u002Fgolang\u002Fstdlib\u002Fio","io","在 Go 语言中，io 包提供了基本的输入输出功能。以下是一些常用的 io 包的 API 及其详细说明：",{"path":259,"title":260,"description":261},"\u002Fgolang\u002Fstdlib\u002Flog","log","在 Go 语言中，log 包提供了简单的日志记录功能。以下是一些常用的 log 包的 API 及其详细说明：",{"path":263,"title":264,"description":265},"\u002Fgolang\u002Fstdlib\u002Fmath","math","在 Go 语言中，math 包提供了基本的数学函数和常量。以下是一些常用的 math 包的 API 及其详细说明：",{"path":267,"title":268,"description":11},"\u002Fgolang\u002Fstdlib\u002Fnet","net",{"path":270,"title":271,"description":272},"\u002Fgolang\u002Fstdlib\u002Fos","os","在Go语言中，os 包是一个非常重要且常用的标准库，它提供了与操作系统交互的功能，包括文件操作、环境变量管理、进程管理等。下面是一些 os 包中常用的功能和API：",{"path":274,"title":275,"description":276},"\u002Fgolang\u002Fstdlib\u002Fsort","order","在 Go 语言中，sort 包提供了对切片和用户定义的集合进行排序的函数。它实现了常见的排序算法，如快速排序（Quicksort）和堆排序（Heapsort），并且为自定义集合提供了接口，使得用户可以根据特定的需求进行排序。",{"path":278,"title":279,"description":280},"\u002Fgolang\u002Fstdlib\u002Fstrconv","strconv","在 Go 语言中，strconv 包提供了字符串和基本数据类型之间的转换函数，例如将整数转换为字符串、字符串转换为整数，以及其他类型之间的转换。这些功能非常有用，特别是在处理用户输入或从外部数据源读取数据时。",{"path":282,"title":283,"description":284},"\u002Fgolang\u002Fstdlib\u002Ftime","time","在 Go 语言中，time 包提供了处理时间和日期的功能。以下是一些常用的 time 包的 API 及其详细说明：",{"path":286,"title":287,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Ferror","Gin - 错误处理",{"path":289,"title":290,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Ffile","Gin - 文件处理",{"path":292,"title":293,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fmiddleware","Gin - 中间件",{"path":295,"title":296,"description":297},"\u002Fgolang\u002Fweb\u002Fgin\u002Fquickstart","Gin - 快速开始","Gin 是目前最流行的 Go Web 框架，以高性能和简洁 API 著称。",{"path":299,"title":300,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Frequest","Gin - 请求处理",{"path":302,"title":303,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fresponse","Gin - 响应处理",{"path":305,"title":306,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Frouter","Gin - 路由",{"path":308,"title":309,"description":11},"\u002Fgolang\u002Fweb\u002Fgin\u002Fvalidation","Gin - 参数校验",{"path":311,"title":312,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fassociation","GORM - 关联关系",{"path":314,"title":315,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fcrud","GORM - CRUD 操作",{"path":317,"title":318,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fmodel","GORM - 模型定义",{"path":320,"title":321,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fperformance","GORM - 日志与性能",{"path":323,"title":324,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fquery","GORM - 高级查询",{"path":326,"title":327,"description":328},"\u002Fgolang\u002Fweb\u002Fgorm\u002Fquickstart","GORM - 快速开始","GORM 是 Go 语言最流行的 ORM 库，功能强大，使用简单。",{"path":330,"title":331,"description":11},"\u002Fgolang\u002Fweb\u002Fgorm\u002Ftransaction","GORM - 事务与 Hook",{"path":333,"title":334,"description":335},"\u002Finterview\u002Fbasic","计算机基础面经","本章节汇总了面试中常见的通用技术概念，不局限于特定语言或数据库，是考察技术内功的关键考点。",{"path":337,"title":338,"description":339},"\u002Finterview\u002Fgolang","Golang 面试题","Go 语言面试高频考点，覆盖基础语法、数据结构、并发编程、内存管理、GC、调度器等核心知识。",{"path":341,"title":342,"description":343},"\u002Finterview\u002Fk8s","Kubernetes 面试题","Kubernetes（K8s）面试高频考点，覆盖架构原理、核心资源、网络存储、调度策略、运维监控等核心知识。",{"path":345,"title":346,"description":347},"\u002Finterview\u002Fmysql","MySQL 面试题","MySQL 数据库面试高频考点，覆盖索引、事务、锁、优化、主从复制等核心知识。",{"path":349,"title":350,"description":351},"\u002Finterview\u002Fredis","Redis 面试题","Redis 面试高频考点，覆盖数据结构、持久化、集群、缓存一致性、性能优化等核心知识。",{"path":353,"title":354,"description":355},"\u002Finterview\u002Frocketmq","RocketMQ 面试题","RocketMQ 面试高频考点，覆盖消息模型、可靠性、顺序消息、事务消息、存储与高可用等核心知识。",{"path":357,"title":358,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-arraylist","List - ArrayList 源码解析",{"path":360,"title":361,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-linkedlist","List - LinkedList 源码解析",{"path":363,"title":364,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-stack","List - Satck源码解析",{"path":366,"title":367,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Flist-vectore","List - Vector 源码解析",{"path":369,"title":370,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-hashmap","Map - HashMap 源码解析",{"path":372,"title":373,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-linkedhashmap","Map - LinkedHashMap 源码解析",{"path":375,"title":376,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fmap-treemap","Map - TreeMap 源码解析",{"path":378,"title":379,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fqueue-deque","Queue - Deque 接口解析",{"path":381,"title":382,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fqueue-queue","Queue - Queue 接口解析",{"path":384,"title":385,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-hashset","Set - HashSet源码解析",{"path":387,"title":388,"description":11},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-linkedhashset","Set - LinkedHashSet 源码解析",{"path":390,"title":391,"description":392},"\u002Fother\u002Fjava\u002Fcollection\u002Fset-treeset","Set - TreeSet源码解析","TreeSet 是一个 Set 集合接口的实现类，与 HashSet 类似，其底层也是通过维护了一个 TreeMap 对象来封装了一些实现方法，故本篇不再对 TreeSet 的底层原理进行详细说明，仅对常用 API 做简单介绍，如需了解 TreeMap 的底层实现原理，请移步 Map - HashMap 源码解析",{"path":394,"title":395,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fannotation","Java核心 - 注解",{"path":397,"title":398,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fbasic-grammar","Java核心 - 基础语法",{"path":400,"title":401,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fclass-and-object","Java核心 - 面向对象",{"path":403,"title":404,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fcommon-classes","Java核心 - 常用类",{"path":406,"title":407,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fexception","Java核心 - 异常处理",{"path":409,"title":410,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fgenerics","Java核心 - 泛型",{"path":412,"title":413,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fjdk-env-path","Java核心 - 环境搭建",{"path":415,"title":416,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Freflection","Java核心 - 反射",{"path":418,"title":419,"description":11},"\u002Fother\u002Fjava\u002Fcore\u002Fstring","Java核心 - String 字符串",{"path":421,"title":422,"description":423},"\u002Fother\u002Fjava\u002Fio\u002Fbuffer-stream","Java IO - 缓冲流","缓冲流是对基本流的包装，通过内置缓冲区减少系统调用次数，大幅提升读写效率。",{"path":425,"title":426,"description":427},"\u002Fother\u002Fjava\u002Fio\u002Fbyte-stream","Java IO - 字节流","字节流是 Java IO 中最基本的流类型，以字节（byte）为单位进行数据读写，可以处理任意类型的文件。",{"path":429,"title":430,"description":431},"\u002Fother\u002Fjava\u002Fio\u002Fchar-stream","Java IO - 字符流","字符流以字符为单位进行读写，专门用于处理文本文件。相比字节流，字符流能够正确处理字符编码，避免中文乱码问题。",{"path":433,"title":434,"description":11},"\u002Fother\u002Fjava\u002Fio\u002Ffile","Java IO - File 类",{"path":436,"title":437,"description":11},"\u002Fother\u002Fjava\u002Fio\u002Fio-stream-system","Java IO - IO流概述",{"path":439,"title":440,"description":441},"\u002Fother\u002Fjava\u002Fio\u002Fnio","Java IO - NIO","NIO（New IO）是 JDK 1.4 引入的新 IO 模型，提供了更高效的 IO 操作方式，支持非阻塞 IO 和多路复用。",{"path":443,"title":444,"description":445},"\u002Fother\u002Fjava\u002Fjvm\u002Fclass-loading","类加载机制","类加载机制是 JVM 将 .class 文件加载到内存，并对数据进行校验、转换解析和初始化，最终形成可被 JVM 直接使用的 Java 类型的过程。",{"path":447,"title":448,"description":449},"\u002Fother\u002Fjava\u002Fjvm\u002Fgarbage-collection","垃圾回收","垃圾回收（Garbage Collection，GC）是 JVM 自动管理内存的机制，负责回收不再使用的对象所占用的内存。",{"path":451,"title":452,"description":453},"\u002Fother\u002Fjava\u002Fjvm\u002Fjvm-memory","JVM 内存结构","JVM 在执行 Java 程序时，会把它管理的内存划分为若干个不同的数据区域。这些区域有各自的用途、创建和销毁时间。",{"path":455,"title":456,"description":457},"\u002Fother\u002Fjava\u002Fjvm\u002Fjvm-tuning","JVM 调优","JVM 调优是优化 Java 应用性能的重要手段，主要包括参数配置、性能监控和问题排查。",{"path":459,"title":460,"description":461},"\u002Fother\u002Fjava\u002Fthread\u002Fatomic","原子类","Java 原子类（Atomic Classes）提供了一种无锁的线程安全方式，基于 CAS（Compare-And-Swap）操作实现。",{"path":463,"title":464,"description":465},"\u002Fother\u002Fjava\u002Fthread\u002Fcompletable-future","CompletableFuture","CompletableFuture 是 JDK 8 引入的异步编程工具，实现了 Future 和 CompletionStage 接口，支持函数式编程和链式调用。",{"path":467,"title":468,"description":469},"\u002Fother\u002Fjava\u002Fthread\u002Fconcurrent-collections","并发集合","Java 并发包提供了多种线程安全的集合类，用于替代传统的同步集合（如 Collections.synchronizedList）。",{"path":471,"title":472,"description":473},"\u002Fother\u002Fjava\u002Fthread\u002Fconcurrent-utils","并发工具类","Java 并发包提供了多种实用的并发工具类，用于控制线程之间的协调与同步。",{"path":475,"title":476,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fsynchronized-lock","同步机制",{"path":478,"title":479,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fthread-basic","线程基础",{"path":481,"title":482,"description":11},"\u002Fother\u002Fjava\u002Fthread\u002Fthread-pool","线程池",{"path":484,"title":485,"description":486},"\u002Fother\u002Fspring-series\u002Fspring\u002Fannotations-beans","Spring - 基于注解管理Bean","从 Java 5 开始，Java 增加了对注解（Annotation）的支持，它是代码中的一种特殊标记，可以在编译、类加载和运行时被读取，执行相应的处理。开发人员可以通过注解在不改变原有代码和逻辑的情况下，在源代码中嵌入补充信息。",{"path":488,"title":489,"description":490},"\u002Fother\u002Fspring-series\u002Fspring\u002Fimplement-ioc","Spring - 原理手写IoC","Spring 框架的 IOC 是基于 Java 反射机制实现的，在学习手写 IoC 之前，你需要具备一定的 Java 反射相关的知识，参考本站内的 Java 教程。",{"path":492,"title":493,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fintroduction-case","Spring - 入门案例",{"path":495,"title":496,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-aop","Spring - 面向切面AOP",{"path":498,"title":499,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-aot","Spring - AOT提前编译",{"path":501,"title":502,"description":503},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-data-validation","Spring - 数据校验","在开发中，我们经常遇到参数校验的需求，比如用户注册的时候，要校验用户名不能为空、用户名长度不超过20个字符、手机号是合法的手机号格式等等。如果使用普通方式，我们会把校验的代码和真正的业务处理逻辑耦合在一起，而且如果未来要新增一种校验逻辑也需要在修改多个地方。而spring validation允许通过注解的方式来定义对象校验规则，把校验和业务逻辑分离开，让代码编写更加方便。Spring Validation其实就是对Hibernate Validator进一步的封装，方便在Spring中使用。",{"path":505,"title":506,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-i18n","Spring - 国际化i18n",{"path":508,"title":509,"description":510},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-ioc","Spring - IOC容器","IoC 是 Inversion of Control 的简写，译为“控制反转”，它不是一门技术，而是一种设计思想，是一个重要的面向对象编程法则，能够指导我们如何设计出松耦合、更优良的程序。",{"path":512,"title":513,"description":514},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-junit","Spring - 单元测试JUnit","在之前的测试方法中，几乎都能看到以下的两行代码：",{"path":516,"title":517,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-resources","Spring - 资源操作",{"path":519,"title":520,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-summarize","Spring - Spring概述",{"path":522,"title":523,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fspring-transaction","Spring - 事务",{"path":525,"title":526,"description":11},"\u002Fother\u002Fspring-series\u002Fspring\u002Fxml-beans","Spring - 基于XML管理Bean",{"path":528,"title":529,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-config","SpringBoot - 配置详解",{"path":531,"title":532,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-data","SpringBoot - 数据访问",{"path":534,"title":535,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-quickstart","SpringBoot - 快速入门",{"path":537,"title":538,"description":11},"\u002Fother\u002Fspring-series\u002Fspringboot\u002Fspringboot-web","SpringBoot - Web 开发",{"path":540,"title":541,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-config","SpringCloud - 配置中心",{"path":543,"title":544,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-discovery","SpringCloud - 服务注册与发现",{"path":546,"title":547,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-feign","SpringCloud - 服务调用",{"path":549,"title":550,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-gateway","SpringCloud - 服务网关",{"path":552,"title":553,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-introduction","SpringCloud - 微服务概述",{"path":555,"title":556,"description":11},"\u002Fother\u002Fspring-series\u002Fspringcloud\u002Fspringcloud-sentinel","SpringCloud - 服务保护",{"path":558,"title":559,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-databind","SpringMVC - 数据绑定与转换",{"path":561,"title":562,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-exception","SpringMVC - 异常处理",{"path":564,"title":565,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-interceptor","SpringMVC - 拦截器",{"path":567,"title":568,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-introduction","SpringMVC - 简介与环境搭建",{"path":570,"title":571,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-request","SpringMVC - 请求处理",{"path":573,"title":574,"description":11},"\u002Fother\u002Fspring-series\u002Fspringmvc\u002Fspringmvc-response","SpringMVC - 响应处理",{"path":576,"title":577,"description":578},"\u002Fproject\u002Frocket-leaf\u002Farchitecture","项目架构","Rocket-Leaf 的目录结构、模块划分、数据流向，以及各层之间的依赖关系。",{"path":580,"title":581,"description":582},"\u002Fproject\u002Frocket-leaf\u002Fbackend-layers","后端分层设计","Rocket-Leaf 的 model \u002F rocketmq \u002F service 三层结构，以及服务之间的依赖关系与设计取舍。",{"path":584,"title":585,"description":586},"\u002Fproject\u002Frocket-leaf\u002Fclient-manager","RocketMQ 客户端管理器","AdminClientManager 的多客户端池、默认连接懒加载、自动重连重试的设计与实现。",{"path":588,"title":589,"description":590},"\u002Fproject\u002Frocket-leaf\u002Fencryption","连接信息加密存储","AES-256-GCM + SHA-256 字段级派生密钥的实现，以及如何在不破坏兼容性的前提下为历史明文数据做透明迁移。",{"path":592,"title":593,"description":594},"\u002Fproject\u002Frocket-leaf\u002Ffrontend","前端结构与类型绑定","React + Vite 目录组织、自动生成的 Wails 绑定、api 薄封装与自定义 hooks 的职责划分。",{"path":596,"title":597,"description":598},"\u002Fproject\u002Frocket-leaf","项目简介","Rocket-Leaf 是一款基于 Wails v3 构建的跨平台 RocketMQ 桌面管理客户端，Go 后端 + React 前端。本文档系列拆解它的架构与关键实现。",{"path":600,"title":601,"description":602},"\u002Fproject\u002Frocket-leaf\u002Fwails-v3","Wails v3 入门","Wails v3 的核心概念、Service 绑定机制，以及 Rocket-Leaf 是如何用它把 Go 后端和 React 前端打通的。",{"path":604,"title":605,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-basic","Docker - 入门基础",{"path":607,"title":608,"description":609},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-compose","Docker - Compose","在部署应用时，常常使用到不止一个容器，那么在部署容器的时候就需要一个一个进行部署，这样的部署过程也相对来说比较繁琐复杂，也容易出问题，那么有没有一种更为简单的方法呢？",{"path":611,"title":612,"description":613},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-container-connection","Docker - 容器互联","在上一个章节中我们学习了 Docker 容器的端口映射，可以将 Docker 容器和本地以及网络中的端口进行连接起来。",{"path":615,"title":616,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-dockerfile","Docker - Dockerfile",{"path":618,"title":619,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-helloworld","Docker - HelloWorld",{"path":621,"title":622,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-install","Docker - 安装",{"path":624,"title":625,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-introduce","Docker - 简介",{"path":627,"title":628,"description":11},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-object","Docker - 镜像、容器、仓库",{"path":630,"title":631,"description":632},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-warehouse","Docker - 仓库管理","仓库是集中存放资源的地方，代码仓库是存放代码的，那么Docker 中的仓库就是存放 Docker 镜像的。",{"path":634,"title":635,"description":636},"\u002Ftutorials\u002Fcloud\u002Fdocker\u002Fdocker-web-containers","Docker - WEB应用实例","在之前的章节中，仅对普通容器进行了演示，但在实际中常常使用到 Docker 容器中的 WEB 应用程序。",{"path":638,"title":639,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-config","Kubernetes - ConfigMap 与 Secret",{"path":641,"title":642,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-helm","Kubernetes - Helm 包管理",{"path":644,"title":645,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-install","Kubernetes - 集群安装",{"path":647,"title":648,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-introduction","Kubernetes - 简介与架构",{"path":650,"title":651,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-kubectl","Kubernetes - kubectl 命令行工具",{"path":653,"title":654,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-monitoring","Kubernetes - 监控与日志",{"path":656,"title":657,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-network-security","Kubernetes - 网络与安全",{"path":659,"title":660,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-service","Kubernetes - Service 与 Ingress",{"path":662,"title":663,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-storage","Kubernetes - 持久化存储",{"path":665,"title":666,"description":11},"\u002Ftutorials\u002Fcloud\u002Fkubernetes\u002Fk8s-workload","Kubernetes - 工作负载资源",{"path":668,"title":669,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-bash","Linux - Bash 基础语法",{"path":671,"title":672,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-file-directory","Linux - 文件与目录操作",{"path":674,"title":675,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-network","Linux - 网络配置",{"path":677,"title":678,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-package","Linux - 软件包管理",{"path":680,"title":681,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-process","Linux - 进程管理",{"path":683,"title":684,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-scripts","Linux - 常用脚本示例",{"path":686,"title":687,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-service","Linux - 服务管理",{"path":689,"title":690,"description":11},"\u002Ftutorials\u002Fcloud\u002Flinux\u002Flinux-user-permission","Linux - 用户与权限管理",{"path":692,"title":693,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-https","Nginx - HTTPS 配置",{"path":695,"title":696,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-install","Nginx - 安装与配置",{"path":698,"title":699,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-loadbalance","Nginx - 负载均衡",{"path":701,"title":702,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-optimization","Nginx - 性能优化",{"path":704,"title":705,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-proxy","Nginx - 反向代理",{"path":707,"title":708,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-static","Nginx - 静态资源服务",{"path":710,"title":711,"description":11},"\u002Ftutorials\u002Fcloud\u002Fnginx\u002Fnginx-vhost","Nginx - 虚拟主机配置",{"path":713,"title":714,"description":715},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-architecture","MySQL 高可用架构","主从复制、读写分离、分库分表。",{"path":717,"title":718,"description":719},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-index","MySQL 索引","索引是帮助 MySQL 高效获取数据的有序数据结构。",{"path":721,"title":722,"description":723},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-lock","MySQL 锁","锁用于解决并发访问时的数据一致性问题。",{"path":725,"title":726,"description":727},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-optimize","MySQL 性能优化","SQL 优化是后端开发必备技能。",{"path":729,"title":730,"description":731},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fmysql-transaction","MySQL 事务","事务是一组不可分割的操作，要么全部成功，要么全部失败。",{"path":733,"title":734,"description":735},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fsql-advanced","SQL 进阶","多表查询、子查询、函数、视图、存储过程。",{"path":737,"title":738,"description":739},"\u002Ftutorials\u002Fdatabase\u002Fmysql\u002Fsql-basic","SQL 基础","SQL（Structured Query Language）是操作关系型数据库的标准语言。",{"path":741,"title":742,"description":743},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-advanced","Redis 进阶功能","事务、发布订阅、Lua 脚本、Pipeline。",{"path":745,"title":746,"description":747},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-basic","Redis 基础","Redis 安装配置与基本命令。",{"path":749,"title":750,"description":751},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-cluster","Redis 高可用","主从复制、哨兵、Cluster 集群。",{"path":753,"title":754,"description":755},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-datatype","Redis 数据类型","Redis 5 种基本数据类型 + 4 种特殊类型。",{"path":757,"title":758,"description":759},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-optimize","Redis 性能优化","内存优化、缓存问题、最佳实践。",{"path":761,"title":762,"description":763},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-persistence","Redis 持久化","Redis 提供 RDB 和 AOF 两种持久化方式。",{"path":765,"title":766,"description":767},"\u002Ftutorials\u002Fdatabase\u002Fredis\u002Fredis-principle","Redis 底层原理","数据结构、线程模型、网络模型。",{"path":769,"title":770,"description":771},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fbehaiver-patterns\u002Fobserver-pattern","观察者模式","观察者模式属于行为型模式，定义了对象之间的一对多的依赖关系，在这种模式中，当一个对象的状态发生变化时，所有依赖于它的对象都会得到通知，并且执行相关操作。观察者模式又被成为“发布—订阅模式”，即发布者发生改变后，会通知所有订阅者。",{"path":773,"title":774,"description":11},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fcreate-patterns\u002Ffactory-pattern","工厂模式",{"path":776,"title":777,"description":778},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fcreate-patterns\u002Fsingleton-pattern","单例模式","单例模式是最常用的设计模式之一，他可以保证在整个应用中，某个类只存在一个实例化对象，即全局使用到该类的只有一个对象，这种模式在需要限制某些类的实例数量时非常有用，通常全局只需要一个该对象即可，如一些配置文件映射对象、数据库连接对象等。",{"path":780,"title":781,"description":782},"\u002Ftutorials\u002Fdev-idea\u002Fdesign-patterns\u002Fstructural-patterns\u002Fadapter-pattern","适配器模式","适配器模式是一种结构型模式，可以将一个类的接口转换成客户端所期望的另一种接口，适配器模式可以帮助开发人员在不修改现有代码的情况下，将不兼容的类组合在一起。",{"path":784,"title":785,"description":786},"\u002Ftutorials\u002Fdev-tools\u002Fgit\u002Fgit-basic-operations","Git 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环境搭建及安装",{"path":826,"title":827,"description":828},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Flife-cycle","6. 生命周期","生命周期是指组件从创建、挂载、更新到销毁的整个过程中所经历的一系列阶段。在 Vue 中，每个组件都有自己的生命周期，可以通过生命周期钩子函数来监听和处理组件在不同阶段的行为和状态。",{"path":830,"title":831,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fother-api","10. 其他 API",{"path":833,"title":834,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fpinia","8. Pinia",{"path":836,"title":837,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Frouter","7. 路由",{"path":839,"title":840,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Ftemplate-grammar","3. 指令及模板语法",{"path":842,"title":843,"description":11},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fvue3-new-component","11. Vue3 新组件",{"path":845,"title":846,"description":847},"\u002Ftutorials\u002Ffront-end\u002Fvue3\u002Fwatch","5. 监视","Watch 是 Vue 提供的一个用于监视响应式数据变化并执行相应操作的 API，能够对响应式数据的变化做出一些操作的功能。Vue3 中的 Watch 支持多种用法，包括监视响应式对象、ref 对象、数组、函数等。",{"path":849,"title":850,"description":11},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-introduction","Kafka 简介与安装",{"path":852,"title":853,"description":11},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-producer-consumer","Kafka 生产者与消费者",{"path":855,"title":856,"description":857},"\u002Ftutorials\u002Fmq\u002Fkafka\u002Fkafka-springboot","Spring Boot 整合 Kafka","Spring Kafka 提供了对 Apache Kafka 的便捷集成。",{"path":859,"title":860,"description":861},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-exchange","RabbitMQ Exchange 详解","Exchange（交换机）是 RabbitMQ 的核心组件，负责接收生产者发送的消息，并根据规则将消息路由到一个或多个队列。",{"path":863,"title":864,"description":11},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-introduction","RabbitMQ 简介与安装",{"path":866,"title":867,"description":868},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-reliability","RabbitMQ 消息可靠性","消息可靠性是消息队列的核心要求，RabbitMQ 提供了多种机制来保证消息不丢失。",{"path":870,"title":871,"description":872},"\u002Ftutorials\u002Fmq\u002Frabbitmq\u002Frabbitmq-springboot","Spring Boot 整合 RabbitMQ","Spring AMQP 提供了对 RabbitMQ 的便捷集成，大大简化了开发工作。",{"path":874,"title":875,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-client","RocketMQ 客户端使用",{"path":877,"title":878,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-concepts","RocketMQ 核心概念",{"path":880,"title":881,"description":11},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-installation","RocketMQ 安装部署",{"path":883,"title":884,"description":885},"\u002Ftutorials\u002Fmq\u002Frocketmq\u002Frocketmq-message-type","RocketMQ 消息类型","RocketMQ 支持多种消息类型，满足不同业务场景需求。",{"id":887,"title":464,"body":888,"description":465,"extension":4339,"meta":4340,"navigation":1024,"path":463,"seo":4341,"stem":4342,"__hash__":4343},"docs\u002Fother\u002Fjava\u002Fthread\u002Fcompletable-future.md",{"type":889,"value":890,"toc":4296},"minimark",[891,906,911,917,1073,1077,1082,1158,1162,1320,1323,1451,1454,1458,1566,1570,1627,1631,1680,1683,1770,1773,1777,1780,1858,1862,1865,1972,1976,2153,2157,2290,2293,2297,2441,2445,2448,2595,2599,2602,2707,2710,2714,3172,3176,3544,3548,3816,3820,3823,3867,3870,3917,3920,3946,3949,3982,3985,3989,4055,4059,4122,4126,4202,4206,4250,4253,4292],[892,893,894,897,898,901,902,905],"p",{},[895,896,464],"code",{}," 是 JDK 8 引入的异步编程工具，实现了 ",[895,899,900],{},"Future"," 和 ",[895,903,904],{},"CompletionStage"," 接口，支持函数式编程和链式调用。",[907,908,910],"h2",{"id":909},"future-的局限性","Future 的局限性",[892,912,913,914,916],{},"传统 ",[895,915,900],{}," 的问题：",[918,919,923],"pre",{"className":920,"code":921,"language":922,"meta":11,"style":11},"language-java shiki shiki-themes github-light github-light github-dark","ExecutorService executor = Executors.newFixedThreadPool(2);\nFuture\u003CString> future = executor.submit(() -> {\n    Thread.sleep(1000);\n    return \"结果\";\n});\n\n\u002F\u002F 问题1：get() 会阻塞\nString result = future.get();\n\n\u002F\u002F 问题2：无法手动完成\n\u002F\u002F 问题3：无法链式调用\n\u002F\u002F 问题4：无法组合多个 Future\n","java",[895,924,925,955,984,1000,1013,1019,1026,1033,1050,1055,1061,1067],{"__ignoreMap":11},[926,927,930,934,938,941,945,948,952],"span",{"class":928,"line":929},"line",1,[926,931,933],{"class":932},"sxrX7","ExecutorService executor ",[926,935,937],{"class":936},"s8jYJ","=",[926,939,940],{"class":932}," Executors.",[926,942,944],{"class":943},"snPdu","newFixedThreadPool",[926,946,947],{"class":932},"(",[926,949,951],{"class":950},"sBjJW","2",[926,953,954],{"class":932},");\n",[926,956,958,961,964,967,969,972,975,978,981],{"class":928,"line":957},2,[926,959,960],{"class":932},"Future\u003C",[926,962,963],{"class":936},"String",[926,965,966],{"class":932},"> future ",[926,968,937],{"class":936},[926,970,971],{"class":932}," executor.",[926,973,974],{"class":943},"submit",[926,976,977],{"class":932},"(() ",[926,979,980],{"class":936},"->",[926,982,983],{"class":932}," {\n",[926,985,987,990,993,995,998],{"class":928,"line":986},3,[926,988,989],{"class":932},"    Thread.",[926,991,992],{"class":943},"sleep",[926,994,947],{"class":932},[926,996,997],{"class":950},"1000",[926,999,954],{"class":932},[926,1001,1003,1006,1010],{"class":928,"line":1002},4,[926,1004,1005],{"class":936},"    return",[926,1007,1009],{"class":1008},"sIIMD"," \"结果\"",[926,1011,1012],{"class":932},";\n",[926,1014,1016],{"class":928,"line":1015},5,[926,1017,1018],{"class":932},"});\n",[926,1020,1022],{"class":928,"line":1021},6,[926,1023,1025],{"emptyLinePlaceholder":1024},true,"\n",[926,1027,1029],{"class":928,"line":1028},7,[926,1030,1032],{"class":1031},"sCsY4","\u002F\u002F 问题1：get() 会阻塞\n",[926,1034,1036,1039,1041,1044,1047],{"class":928,"line":1035},8,[926,1037,1038],{"class":932},"String result ",[926,1040,937],{"class":936},[926,1042,1043],{"class":932}," future.",[926,1045,1046],{"class":943},"get",[926,1048,1049],{"class":932},"();\n",[926,1051,1053],{"class":928,"line":1052},9,[926,1054,1025],{"emptyLinePlaceholder":1024},[926,1056,1058],{"class":928,"line":1057},10,[926,1059,1060],{"class":1031},"\u002F\u002F 问题2：无法手动完成\n",[926,1062,1064],{"class":928,"line":1063},11,[926,1065,1066],{"class":1031},"\u002F\u002F 问题3：无法链式调用\n",[926,1068,1070],{"class":928,"line":1069},12,[926,1071,1072],{"class":1031},"\u002F\u002F 问题4：无法组合多个 Future\n",[907,1074,1076],{"id":1075},"创建-completablefuture","创建 CompletableFuture",[1078,1079,1081],"h3",{"id":1080},"_1-直接创建","1. 直接创建",[918,1083,1085],{"className":920,"code":1084,"language":922,"meta":11,"style":11},"\u002F\u002F 创建已完成的 Future\nCompletableFuture\u003CString> cf1 = CompletableFuture.completedFuture(\"result\");\n\n\u002F\u002F 创建并手动完成\nCompletableFuture\u003CString> cf2 = new CompletableFuture\u003C>();\ncf2.complete(\"手动完成\");\n",[895,1086,1087,1092,1117,1121,1126,1143],{"__ignoreMap":11},[926,1088,1089],{"class":928,"line":929},[926,1090,1091],{"class":1031},"\u002F\u002F 创建已完成的 Future\n",[926,1093,1094,1097,1099,1102,1104,1107,1110,1112,1115],{"class":928,"line":957},[926,1095,1096],{"class":932},"CompletableFuture\u003C",[926,1098,963],{"class":936},[926,1100,1101],{"class":932},"> cf1 ",[926,1103,937],{"class":936},[926,1105,1106],{"class":932}," CompletableFuture.",[926,1108,1109],{"class":943},"completedFuture",[926,1111,947],{"class":932},[926,1113,1114],{"class":1008},"\"result\"",[926,1116,954],{"class":932},[926,1118,1119],{"class":928,"line":986},[926,1120,1025],{"emptyLinePlaceholder":1024},[926,1122,1123],{"class":928,"line":1002},[926,1124,1125],{"class":1031},"\u002F\u002F 创建并手动完成\n",[926,1127,1128,1130,1132,1135,1137,1140],{"class":928,"line":1015},[926,1129,1096],{"class":932},[926,1131,963],{"class":936},[926,1133,1134],{"class":932},"> cf2 ",[926,1136,937],{"class":936},[926,1138,1139],{"class":936}," new",[926,1141,1142],{"class":932}," CompletableFuture\u003C>();\n",[926,1144,1145,1148,1151,1153,1156],{"class":928,"line":1021},[926,1146,1147],{"class":932},"cf2.",[926,1149,1150],{"class":943},"complete",[926,1152,947],{"class":932},[926,1154,1155],{"class":1008},"\"手动完成\"",[926,1157,954],{"class":932},[1078,1159,1161],{"id":1160},"_2-异步执行","2. 异步执行",[918,1163,1165],{"className":920,"code":1164,"language":922,"meta":11,"style":11},"\u002F\u002F 无返回值\nCompletableFuture\u003CVoid> cf1 = CompletableFuture.runAsync(() -> {\n    System.out.println(\"异步执行任务\");\n});\n\n\u002F\u002F 有返回值\nCompletableFuture\u003CString> cf2 = CompletableFuture.supplyAsync(() -> {\n    return \"异步执行结果\";\n});\n\n\u002F\u002F 指定线程池\nExecutorService executor = Executors.newFixedThreadPool(4);\nCompletableFuture\u003CString> cf3 = CompletableFuture.supplyAsync(() -> {\n    return \"使用自定义线程池\";\n}, executor);\n",[895,1166,1167,1172,1194,1209,1213,1217,1222,1243,1252,1256,1260,1265,1282,1304,1314],{"__ignoreMap":11},[926,1168,1169],{"class":928,"line":929},[926,1170,1171],{"class":1031},"\u002F\u002F 无返回值\n",[926,1173,1174,1176,1179,1181,1183,1185,1188,1190,1192],{"class":928,"line":957},[926,1175,1096],{"class":932},[926,1177,1178],{"class":936},"Void",[926,1180,1101],{"class":932},[926,1182,937],{"class":936},[926,1184,1106],{"class":932},[926,1186,1187],{"class":943},"runAsync",[926,1189,977],{"class":932},[926,1191,980],{"class":936},[926,1193,983],{"class":932},[926,1195,1196,1199,1202,1204,1207],{"class":928,"line":986},[926,1197,1198],{"class":932},"    System.out.",[926,1200,1201],{"class":943},"println",[926,1203,947],{"class":932},[926,1205,1206],{"class":1008},"\"异步执行任务\"",[926,1208,954],{"class":932},[926,1210,1211],{"class":928,"line":1002},[926,1212,1018],{"class":932},[926,1214,1215],{"class":928,"line":1015},[926,1216,1025],{"emptyLinePlaceholder":1024},[926,1218,1219],{"class":928,"line":1021},[926,1220,1221],{"class":1031},"\u002F\u002F 有返回值\n",[926,1223,1224,1226,1228,1230,1232,1234,1237,1239,1241],{"class":928,"line":1028},[926,1225,1096],{"class":932},[926,1227,963],{"class":936},[926,1229,1134],{"class":932},[926,1231,937],{"class":936},[926,1233,1106],{"class":932},[926,1235,1236],{"class":943},"supplyAsync",[926,1238,977],{"class":932},[926,1240,980],{"class":936},[926,1242,983],{"class":932},[926,1244,1245,1247,1250],{"class":928,"line":1035},[926,1246,1005],{"class":936},[926,1248,1249],{"class":1008}," \"异步执行结果\"",[926,1251,1012],{"class":932},[926,1253,1254],{"class":928,"line":1052},[926,1255,1018],{"class":932},[926,1257,1258],{"class":928,"line":1057},[926,1259,1025],{"emptyLinePlaceholder":1024},[926,1261,1262],{"class":928,"line":1063},[926,1263,1264],{"class":1031},"\u002F\u002F 指定线程池\n",[926,1266,1267,1269,1271,1273,1275,1277,1280],{"class":928,"line":1069},[926,1268,933],{"class":932},[926,1270,937],{"class":936},[926,1272,940],{"class":932},[926,1274,944],{"class":943},[926,1276,947],{"class":932},[926,1278,1279],{"class":950},"4",[926,1281,954],{"class":932},[926,1283,1285,1287,1289,1292,1294,1296,1298,1300,1302],{"class":928,"line":1284},13,[926,1286,1096],{"class":932},[926,1288,963],{"class":936},[926,1290,1291],{"class":932},"> cf3 ",[926,1293,937],{"class":936},[926,1295,1106],{"class":932},[926,1297,1236],{"class":943},[926,1299,977],{"class":932},[926,1301,980],{"class":936},[926,1303,983],{"class":932},[926,1305,1307,1309,1312],{"class":928,"line":1306},14,[926,1308,1005],{"class":936},[926,1310,1311],{"class":1008}," \"使用自定义线程池\"",[926,1313,1012],{"class":932},[926,1315,1317],{"class":928,"line":1316},15,[926,1318,1319],{"class":932},"}, executor);\n",[907,1321,1322],{"id":1322},"获取结果",[918,1324,1326],{"className":920,"code":1325,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf = CompletableFuture.supplyAsync(() -> \"结果\");\n\n\u002F\u002F 阻塞获取\nString result1 = cf.get();  \u002F\u002F 可能抛出异常\nString result2 = cf.get(5, TimeUnit.SECONDS);  \u002F\u002F 超时获取\n\n\u002F\u002F 不抛受检异常\nString result3 = cf.join();\n\n\u002F\u002F 获取已完成的值，否则返回默认值\nString result4 = cf.getNow(\"默认值\");\n",[895,1327,1328,1351,1355,1360,1378,1400,1404,1409,1423,1427,1432],{"__ignoreMap":11},[926,1329,1330,1332,1334,1337,1339,1341,1343,1345,1347,1349],{"class":928,"line":929},[926,1331,1096],{"class":932},[926,1333,963],{"class":936},[926,1335,1336],{"class":932},"> cf ",[926,1338,937],{"class":936},[926,1340,1106],{"class":932},[926,1342,1236],{"class":943},[926,1344,977],{"class":932},[926,1346,980],{"class":936},[926,1348,1009],{"class":1008},[926,1350,954],{"class":932},[926,1352,1353],{"class":928,"line":957},[926,1354,1025],{"emptyLinePlaceholder":1024},[926,1356,1357],{"class":928,"line":986},[926,1358,1359],{"class":1031},"\u002F\u002F 阻塞获取\n",[926,1361,1362,1365,1367,1370,1372,1375],{"class":928,"line":1002},[926,1363,1364],{"class":932},"String result1 ",[926,1366,937],{"class":936},[926,1368,1369],{"class":932}," cf.",[926,1371,1046],{"class":943},[926,1373,1374],{"class":932},"();  ",[926,1376,1377],{"class":1031},"\u002F\u002F 可能抛出异常\n",[926,1379,1380,1383,1385,1387,1389,1391,1394,1397],{"class":928,"line":1015},[926,1381,1382],{"class":932},"String result2 ",[926,1384,937],{"class":936},[926,1386,1369],{"class":932},[926,1388,1046],{"class":943},[926,1390,947],{"class":932},[926,1392,1393],{"class":950},"5",[926,1395,1396],{"class":932},", TimeUnit.SECONDS);  ",[926,1398,1399],{"class":1031},"\u002F\u002F 超时获取\n",[926,1401,1402],{"class":928,"line":1021},[926,1403,1025],{"emptyLinePlaceholder":1024},[926,1405,1406],{"class":928,"line":1028},[926,1407,1408],{"class":1031},"\u002F\u002F 不抛受检异常\n",[926,1410,1411,1414,1416,1418,1421],{"class":928,"line":1035},[926,1412,1413],{"class":932},"String result3 ",[926,1415,937],{"class":936},[926,1417,1369],{"class":932},[926,1419,1420],{"class":943},"join",[926,1422,1049],{"class":932},[926,1424,1425],{"class":928,"line":1052},[926,1426,1025],{"emptyLinePlaceholder":1024},[926,1428,1429],{"class":928,"line":1057},[926,1430,1431],{"class":1031},"\u002F\u002F 获取已完成的值，否则返回默认值\n",[926,1433,1434,1437,1439,1441,1444,1446,1449],{"class":928,"line":1063},[926,1435,1436],{"class":932},"String result4 ",[926,1438,937],{"class":936},[926,1440,1369],{"class":932},[926,1442,1443],{"class":943},"getNow",[926,1445,947],{"class":932},[926,1447,1448],{"class":1008},"\"默认值\"",[926,1450,954],{"class":932},[907,1452,1453],{"id":1453},"结果转换",[1078,1455,1457],{"id":1456},"thenapply-转换结果","thenApply - 转换结果",[918,1459,1461],{"className":920,"code":1460,"language":922,"meta":11,"style":11},"CompletableFuture\u003CInteger> cf = CompletableFuture\n    .supplyAsync(() -> \"123\")\n    .thenApply(s -> Integer.parseInt(s))   \u002F\u002F 转换为 Integer\n    .thenApply(i -> i * 2);                \u002F\u002F 乘以 2\n\nSystem.out.println(cf.join());  \u002F\u002F 246\n",[895,1462,1463,1477,1494,1518,1544,1548],{"__ignoreMap":11},[926,1464,1465,1467,1470,1472,1474],{"class":928,"line":929},[926,1466,1096],{"class":932},[926,1468,1469],{"class":936},"Integer",[926,1471,1336],{"class":932},[926,1473,937],{"class":936},[926,1475,1476],{"class":932}," CompletableFuture\n",[926,1478,1479,1482,1484,1486,1488,1491],{"class":928,"line":957},[926,1480,1481],{"class":932},"    .",[926,1483,1236],{"class":943},[926,1485,977],{"class":932},[926,1487,980],{"class":936},[926,1489,1490],{"class":1008}," \"123\"",[926,1492,1493],{"class":932},")\n",[926,1495,1496,1498,1501,1504,1506,1509,1512,1515],{"class":928,"line":986},[926,1497,1481],{"class":932},[926,1499,1500],{"class":943},"thenApply",[926,1502,1503],{"class":932},"(s ",[926,1505,980],{"class":936},[926,1507,1508],{"class":932}," Integer.",[926,1510,1511],{"class":943},"parseInt",[926,1513,1514],{"class":932},"(s))   ",[926,1516,1517],{"class":1031},"\u002F\u002F 转换为 Integer\n",[926,1519,1520,1522,1524,1527,1529,1532,1535,1538,1541],{"class":928,"line":1002},[926,1521,1481],{"class":932},[926,1523,1500],{"class":943},[926,1525,1526],{"class":932},"(i ",[926,1528,980],{"class":936},[926,1530,1531],{"class":932}," i ",[926,1533,1534],{"class":936},"*",[926,1536,1537],{"class":950}," 2",[926,1539,1540],{"class":932},");                ",[926,1542,1543],{"class":1031},"\u002F\u002F 乘以 2\n",[926,1545,1546],{"class":928,"line":1015},[926,1547,1025],{"emptyLinePlaceholder":1024},[926,1549,1550,1553,1555,1558,1560,1563],{"class":928,"line":1021},[926,1551,1552],{"class":932},"System.out.",[926,1554,1201],{"class":943},[926,1556,1557],{"class":932},"(cf.",[926,1559,1420],{"class":943},[926,1561,1562],{"class":932},"());  ",[926,1564,1565],{"class":1031},"\u002F\u002F 246\n",[1078,1567,1569],{"id":1568},"thenaccept-消费结果","thenAccept - 消费结果",[918,1571,1573],{"className":920,"code":1572,"language":922,"meta":11,"style":11},"CompletableFuture.supplyAsync(() -> \"结果\")\n    .thenAccept(result -> {\n        System.out.println(\"接收到：\" + result);\n    });\n",[895,1574,1575,1590,1604,1622],{"__ignoreMap":11},[926,1576,1577,1580,1582,1584,1586,1588],{"class":928,"line":929},[926,1578,1579],{"class":932},"CompletableFuture.",[926,1581,1236],{"class":943},[926,1583,977],{"class":932},[926,1585,980],{"class":936},[926,1587,1009],{"class":1008},[926,1589,1493],{"class":932},[926,1591,1592,1594,1597,1600,1602],{"class":928,"line":957},[926,1593,1481],{"class":932},[926,1595,1596],{"class":943},"thenAccept",[926,1598,1599],{"class":932},"(result ",[926,1601,980],{"class":936},[926,1603,983],{"class":932},[926,1605,1606,1609,1611,1613,1616,1619],{"class":928,"line":986},[926,1607,1608],{"class":932},"        System.out.",[926,1610,1201],{"class":943},[926,1612,947],{"class":932},[926,1614,1615],{"class":1008},"\"接收到：\"",[926,1617,1618],{"class":936}," +",[926,1620,1621],{"class":932}," result);\n",[926,1623,1624],{"class":928,"line":1002},[926,1625,1626],{"class":932},"    });\n",[1078,1628,1630],{"id":1629},"thenrun-执行下一个任务","thenRun - 执行下一个任务",[918,1632,1634],{"className":920,"code":1633,"language":922,"meta":11,"style":11},"CompletableFuture.supplyAsync(() -> \"结果\")\n    .thenRun(() -> {\n        System.out.println(\"上一步完成，执行下一步\");\n    });\n",[895,1635,1636,1650,1663,1676],{"__ignoreMap":11},[926,1637,1638,1640,1642,1644,1646,1648],{"class":928,"line":929},[926,1639,1579],{"class":932},[926,1641,1236],{"class":943},[926,1643,977],{"class":932},[926,1645,980],{"class":936},[926,1647,1009],{"class":1008},[926,1649,1493],{"class":932},[926,1651,1652,1654,1657,1659,1661],{"class":928,"line":957},[926,1653,1481],{"class":932},[926,1655,1656],{"class":943},"thenRun",[926,1658,977],{"class":932},[926,1660,980],{"class":936},[926,1662,983],{"class":932},[926,1664,1665,1667,1669,1671,1674],{"class":928,"line":986},[926,1666,1608],{"class":932},[926,1668,1201],{"class":943},[926,1670,947],{"class":932},[926,1672,1673],{"class":1008},"\"上一步完成，执行下一步\"",[926,1675,954],{"class":932},[926,1677,1678],{"class":928,"line":1002},[926,1679,1626],{"class":932},[1078,1681,1682],{"id":1682},"同步与异步",[918,1684,1686],{"className":920,"code":1685,"language":922,"meta":11,"style":11},"\u002F\u002F 同步执行（使用上一步的线程）\n.thenApply(x -> x * 2)\n\n\u002F\u002F 异步执行（使用默认线程池）\n.thenApplyAsync(x -> x * 2)\n\n\u002F\u002F 异步执行（使用自定义线程池）\n.thenApplyAsync(x -> x * 2, executor)\n",[895,1687,1688,1693,1714,1718,1723,1742,1746,1751],{"__ignoreMap":11},[926,1689,1690],{"class":928,"line":929},[926,1691,1692],{"class":1031},"\u002F\u002F 同步执行（使用上一步的线程）\n",[926,1694,1695,1698,1700,1703,1705,1708,1710,1712],{"class":928,"line":957},[926,1696,1697],{"class":932},".",[926,1699,1500],{"class":943},[926,1701,1702],{"class":932},"(x ",[926,1704,980],{"class":936},[926,1706,1707],{"class":932}," x ",[926,1709,1534],{"class":936},[926,1711,1537],{"class":950},[926,1713,1493],{"class":932},[926,1715,1716],{"class":928,"line":986},[926,1717,1025],{"emptyLinePlaceholder":1024},[926,1719,1720],{"class":928,"line":1002},[926,1721,1722],{"class":1031},"\u002F\u002F 异步执行（使用默认线程池）\n",[926,1724,1725,1727,1730,1732,1734,1736,1738,1740],{"class":928,"line":1015},[926,1726,1697],{"class":932},[926,1728,1729],{"class":943},"thenApplyAsync",[926,1731,1702],{"class":932},[926,1733,980],{"class":936},[926,1735,1707],{"class":932},[926,1737,1534],{"class":936},[926,1739,1537],{"class":950},[926,1741,1493],{"class":932},[926,1743,1744],{"class":928,"line":1021},[926,1745,1025],{"emptyLinePlaceholder":1024},[926,1747,1748],{"class":928,"line":1028},[926,1749,1750],{"class":1031},"\u002F\u002F 异步执行（使用自定义线程池）\n",[926,1752,1753,1755,1757,1759,1761,1763,1765,1767],{"class":928,"line":1035},[926,1754,1697],{"class":932},[926,1756,1729],{"class":943},[926,1758,1702],{"class":932},[926,1760,980],{"class":936},[926,1762,1707],{"class":932},[926,1764,1534],{"class":936},[926,1766,1537],{"class":950},[926,1768,1769],{"class":932},", executor)\n",[907,1771,1772],{"id":1772},"结果组合",[1078,1774,1776],{"id":1775},"thencompose-扁平化","thenCompose - 扁平化",[892,1778,1779],{},"用于两个有依赖关系的异步任务。",[918,1781,1783],{"className":920,"code":1782,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf = CompletableFuture\n    .supplyAsync(() -> 1)\n    .thenCompose(i -> CompletableFuture.supplyAsync(() -> \"结果：\" + i));\n\nSystem.out.println(cf.join());  \u002F\u002F 结果：1\n",[895,1784,1785,1797,1812,1839,1843],{"__ignoreMap":11},[926,1786,1787,1789,1791,1793,1795],{"class":928,"line":929},[926,1788,1096],{"class":932},[926,1790,963],{"class":936},[926,1792,1336],{"class":932},[926,1794,937],{"class":936},[926,1796,1476],{"class":932},[926,1798,1799,1801,1803,1805,1807,1810],{"class":928,"line":957},[926,1800,1481],{"class":932},[926,1802,1236],{"class":943},[926,1804,977],{"class":932},[926,1806,980],{"class":936},[926,1808,1809],{"class":950}," 1",[926,1811,1493],{"class":932},[926,1813,1814,1816,1819,1821,1823,1825,1827,1829,1831,1834,1836],{"class":928,"line":986},[926,1815,1481],{"class":932},[926,1817,1818],{"class":943},"thenCompose",[926,1820,1526],{"class":932},[926,1822,980],{"class":936},[926,1824,1106],{"class":932},[926,1826,1236],{"class":943},[926,1828,977],{"class":932},[926,1830,980],{"class":936},[926,1832,1833],{"class":1008}," \"结果：\"",[926,1835,1618],{"class":936},[926,1837,1838],{"class":932}," i));\n",[926,1840,1841],{"class":928,"line":1002},[926,1842,1025],{"emptyLinePlaceholder":1024},[926,1844,1845,1847,1849,1851,1853,1855],{"class":928,"line":1015},[926,1846,1552],{"class":932},[926,1848,1201],{"class":943},[926,1850,1557],{"class":932},[926,1852,1420],{"class":943},[926,1854,1562],{"class":932},[926,1856,1857],{"class":1031},"\u002F\u002F 结果：1\n",[1078,1859,1861],{"id":1860},"thencombine-合并两个结果","thenCombine - 合并两个结果",[892,1863,1864],{},"用于两个独立的异步任务。",[918,1866,1868],{"className":920,"code":1867,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf1 = CompletableFuture.supplyAsync(() -> \"Hello\");\nCompletableFuture\u003CString> cf2 = CompletableFuture.supplyAsync(() -> \"World\");\n\nCompletableFuture\u003CString> combined = cf1.thenCombine(cf2, (s1, s2) -> s1 + \" \" + s2);\nSystem.out.println(combined.join());  \u002F\u002F Hello World\n",[895,1869,1870,1893,1916,1920,1956],{"__ignoreMap":11},[926,1871,1872,1874,1876,1878,1880,1882,1884,1886,1888,1891],{"class":928,"line":929},[926,1873,1096],{"class":932},[926,1875,963],{"class":936},[926,1877,1101],{"class":932},[926,1879,937],{"class":936},[926,1881,1106],{"class":932},[926,1883,1236],{"class":943},[926,1885,977],{"class":932},[926,1887,980],{"class":936},[926,1889,1890],{"class":1008}," \"Hello\"",[926,1892,954],{"class":932},[926,1894,1895,1897,1899,1901,1903,1905,1907,1909,1911,1914],{"class":928,"line":957},[926,1896,1096],{"class":932},[926,1898,963],{"class":936},[926,1900,1134],{"class":932},[926,1902,937],{"class":936},[926,1904,1106],{"class":932},[926,1906,1236],{"class":943},[926,1908,977],{"class":932},[926,1910,980],{"class":936},[926,1912,1913],{"class":1008}," \"World\"",[926,1915,954],{"class":932},[926,1917,1918],{"class":928,"line":986},[926,1919,1025],{"emptyLinePlaceholder":1024},[926,1921,1922,1924,1926,1929,1931,1934,1937,1940,1942,1945,1948,1951,1953],{"class":928,"line":1002},[926,1923,1096],{"class":932},[926,1925,963],{"class":936},[926,1927,1928],{"class":932},"> combined ",[926,1930,937],{"class":936},[926,1932,1933],{"class":932}," cf1.",[926,1935,1936],{"class":943},"thenCombine",[926,1938,1939],{"class":932},"(cf2, (s1, s2) ",[926,1941,980],{"class":936},[926,1943,1944],{"class":932}," s1 ",[926,1946,1947],{"class":936},"+",[926,1949,1950],{"class":1008}," \" \"",[926,1952,1618],{"class":936},[926,1954,1955],{"class":932}," s2);\n",[926,1957,1958,1960,1962,1965,1967,1969],{"class":928,"line":1015},[926,1959,1552],{"class":932},[926,1961,1201],{"class":943},[926,1963,1964],{"class":932},"(combined.",[926,1966,1420],{"class":943},[926,1968,1562],{"class":932},[926,1970,1971],{"class":1031},"\u002F\u002F Hello World\n",[1078,1973,1975],{"id":1974},"allof-等待所有完成","allOf - 等待所有完成",[918,1977,1979],{"className":920,"code":1978,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf1 = CompletableFuture.supplyAsync(() -> \"任务1\");\nCompletableFuture\u003CString> cf2 = CompletableFuture.supplyAsync(() -> \"任务2\");\nCompletableFuture\u003CString> cf3 = CompletableFuture.supplyAsync(() -> \"任务3\");\n\nCompletableFuture\u003CVoid> allOf = CompletableFuture.allOf(cf1, cf2, cf3);\n\n\u002F\u002F 等待所有完成\nallOf.join();\n\n\u002F\u002F 获取所有结果\nList\u003CString> results = Stream.of(cf1, cf2, cf3)\n    .map(CompletableFuture::join)\n    .collect(Collectors.toList());\n",[895,1980,1981,2004,2027,2050,2054,2073,2077,2082,2091,2095,2100,2121,2137],{"__ignoreMap":11},[926,1982,1983,1985,1987,1989,1991,1993,1995,1997,1999,2002],{"class":928,"line":929},[926,1984,1096],{"class":932},[926,1986,963],{"class":936},[926,1988,1101],{"class":932},[926,1990,937],{"class":936},[926,1992,1106],{"class":932},[926,1994,1236],{"class":943},[926,1996,977],{"class":932},[926,1998,980],{"class":936},[926,2000,2001],{"class":1008}," \"任务1\"",[926,2003,954],{"class":932},[926,2005,2006,2008,2010,2012,2014,2016,2018,2020,2022,2025],{"class":928,"line":957},[926,2007,1096],{"class":932},[926,2009,963],{"class":936},[926,2011,1134],{"class":932},[926,2013,937],{"class":936},[926,2015,1106],{"class":932},[926,2017,1236],{"class":943},[926,2019,977],{"class":932},[926,2021,980],{"class":936},[926,2023,2024],{"class":1008}," \"任务2\"",[926,2026,954],{"class":932},[926,2028,2029,2031,2033,2035,2037,2039,2041,2043,2045,2048],{"class":928,"line":986},[926,2030,1096],{"class":932},[926,2032,963],{"class":936},[926,2034,1291],{"class":932},[926,2036,937],{"class":936},[926,2038,1106],{"class":932},[926,2040,1236],{"class":943},[926,2042,977],{"class":932},[926,2044,980],{"class":936},[926,2046,2047],{"class":1008}," \"任务3\"",[926,2049,954],{"class":932},[926,2051,2052],{"class":928,"line":1002},[926,2053,1025],{"emptyLinePlaceholder":1024},[926,2055,2056,2058,2060,2063,2065,2067,2070],{"class":928,"line":1015},[926,2057,1096],{"class":932},[926,2059,1178],{"class":936},[926,2061,2062],{"class":932},"> allOf ",[926,2064,937],{"class":936},[926,2066,1106],{"class":932},[926,2068,2069],{"class":943},"allOf",[926,2071,2072],{"class":932},"(cf1, cf2, cf3);\n",[926,2074,2075],{"class":928,"line":1021},[926,2076,1025],{"emptyLinePlaceholder":1024},[926,2078,2079],{"class":928,"line":1028},[926,2080,2081],{"class":1031},"\u002F\u002F 等待所有完成\n",[926,2083,2084,2087,2089],{"class":928,"line":1035},[926,2085,2086],{"class":932},"allOf.",[926,2088,1420],{"class":943},[926,2090,1049],{"class":932},[926,2092,2093],{"class":928,"line":1052},[926,2094,1025],{"emptyLinePlaceholder":1024},[926,2096,2097],{"class":928,"line":1057},[926,2098,2099],{"class":1031},"\u002F\u002F 获取所有结果\n",[926,2101,2102,2105,2107,2110,2112,2115,2118],{"class":928,"line":1063},[926,2103,2104],{"class":932},"List\u003C",[926,2106,963],{"class":936},[926,2108,2109],{"class":932},"> results ",[926,2111,937],{"class":936},[926,2113,2114],{"class":932}," Stream.",[926,2116,2117],{"class":943},"of",[926,2119,2120],{"class":932},"(cf1, cf2, cf3)\n",[926,2122,2123,2125,2128,2131,2134],{"class":928,"line":1069},[926,2124,1481],{"class":932},[926,2126,2127],{"class":943},"map",[926,2129,2130],{"class":932},"(CompletableFuture",[926,2132,2133],{"class":936},"::",[926,2135,2136],{"class":932},"join)\n",[926,2138,2139,2141,2144,2147,2150],{"class":928,"line":1284},[926,2140,1481],{"class":932},[926,2142,2143],{"class":943},"collect",[926,2145,2146],{"class":932},"(Collectors.",[926,2148,2149],{"class":943},"toList",[926,2151,2152],{"class":932},"());\n",[1078,2154,2156],{"id":2155},"anyof-任一完成","anyOf - 任一完成",[918,2158,2160],{"className":920,"code":2159,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf1 = CompletableFuture.supplyAsync(() -> {\n    sleep(1000);\n    return \"慢任务\";\n});\nCompletableFuture\u003CString> cf2 = CompletableFuture.supplyAsync(() -> {\n    sleep(100);\n    return \"快任务\";\n});\n\nCompletableFuture\u003CObject> anyOf = CompletableFuture.anyOf(cf1, cf2);\nSystem.out.println(anyOf.join());  \u002F\u002F 快任务\n",[895,2161,2162,2182,2193,2202,2206,2226,2237,2246,2250,2254,2274],{"__ignoreMap":11},[926,2163,2164,2166,2168,2170,2172,2174,2176,2178,2180],{"class":928,"line":929},[926,2165,1096],{"class":932},[926,2167,963],{"class":936},[926,2169,1101],{"class":932},[926,2171,937],{"class":936},[926,2173,1106],{"class":932},[926,2175,1236],{"class":943},[926,2177,977],{"class":932},[926,2179,980],{"class":936},[926,2181,983],{"class":932},[926,2183,2184,2187,2189,2191],{"class":928,"line":957},[926,2185,2186],{"class":943},"    sleep",[926,2188,947],{"class":932},[926,2190,997],{"class":950},[926,2192,954],{"class":932},[926,2194,2195,2197,2200],{"class":928,"line":986},[926,2196,1005],{"class":936},[926,2198,2199],{"class":1008}," \"慢任务\"",[926,2201,1012],{"class":932},[926,2203,2204],{"class":928,"line":1002},[926,2205,1018],{"class":932},[926,2207,2208,2210,2212,2214,2216,2218,2220,2222,2224],{"class":928,"line":1015},[926,2209,1096],{"class":932},[926,2211,963],{"class":936},[926,2213,1134],{"class":932},[926,2215,937],{"class":936},[926,2217,1106],{"class":932},[926,2219,1236],{"class":943},[926,2221,977],{"class":932},[926,2223,980],{"class":936},[926,2225,983],{"class":932},[926,2227,2228,2230,2232,2235],{"class":928,"line":1021},[926,2229,2186],{"class":943},[926,2231,947],{"class":932},[926,2233,2234],{"class":950},"100",[926,2236,954],{"class":932},[926,2238,2239,2241,2244],{"class":928,"line":1028},[926,2240,1005],{"class":936},[926,2242,2243],{"class":1008}," \"快任务\"",[926,2245,1012],{"class":932},[926,2247,2248],{"class":928,"line":1035},[926,2249,1018],{"class":932},[926,2251,2252],{"class":928,"line":1052},[926,2253,1025],{"emptyLinePlaceholder":1024},[926,2255,2256,2258,2261,2264,2266,2268,2271],{"class":928,"line":1057},[926,2257,1096],{"class":932},[926,2259,2260],{"class":936},"Object",[926,2262,2263],{"class":932},"> anyOf ",[926,2265,937],{"class":936},[926,2267,1106],{"class":932},[926,2269,2270],{"class":943},"anyOf",[926,2272,2273],{"class":932},"(cf1, cf2);\n",[926,2275,2276,2278,2280,2283,2285,2287],{"class":928,"line":1063},[926,2277,1552],{"class":932},[926,2279,1201],{"class":943},[926,2281,2282],{"class":932},"(anyOf.",[926,2284,1420],{"class":943},[926,2286,1562],{"class":932},[926,2288,2289],{"class":1031},"\u002F\u002F 快任务\n",[907,2291,2292],{"id":2292},"异常处理",[1078,2294,2296],{"id":2295},"exceptionally-异常恢复","exceptionally - 异常恢复",[918,2298,2300],{"className":920,"code":2299,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf = CompletableFuture\n    .supplyAsync(() -> {\n        if (true) throw new RuntimeException(\"出错了\");\n        return \"成功\";\n    })\n    .exceptionally(ex -> {\n        System.out.println(\"异常：\" + ex.getMessage());\n        return \"默认值\";  \u002F\u002F 返回默认值\n    });\n\nSystem.out.println(cf.join());  \u002F\u002F 默认值\n",[895,2301,2302,2314,2326,2355,2365,2370,2384,2405,2418,2422,2426],{"__ignoreMap":11},[926,2303,2304,2306,2308,2310,2312],{"class":928,"line":929},[926,2305,1096],{"class":932},[926,2307,963],{"class":936},[926,2309,1336],{"class":932},[926,2311,937],{"class":936},[926,2313,1476],{"class":932},[926,2315,2316,2318,2320,2322,2324],{"class":928,"line":957},[926,2317,1481],{"class":932},[926,2319,1236],{"class":943},[926,2321,977],{"class":932},[926,2323,980],{"class":936},[926,2325,983],{"class":932},[926,2327,2328,2331,2334,2337,2340,2343,2345,2348,2350,2353],{"class":928,"line":986},[926,2329,2330],{"class":936},"        if",[926,2332,2333],{"class":932}," (",[926,2335,2336],{"class":950},"true",[926,2338,2339],{"class":932},") ",[926,2341,2342],{"class":936},"throw",[926,2344,1139],{"class":936},[926,2346,2347],{"class":943}," RuntimeException",[926,2349,947],{"class":932},[926,2351,2352],{"class":1008},"\"出错了\"",[926,2354,954],{"class":932},[926,2356,2357,2360,2363],{"class":928,"line":1002},[926,2358,2359],{"class":936},"        return",[926,2361,2362],{"class":1008}," \"成功\"",[926,2364,1012],{"class":932},[926,2366,2367],{"class":928,"line":1015},[926,2368,2369],{"class":932},"    })\n",[926,2371,2372,2374,2377,2380,2382],{"class":928,"line":1021},[926,2373,1481],{"class":932},[926,2375,2376],{"class":943},"exceptionally",[926,2378,2379],{"class":932},"(ex ",[926,2381,980],{"class":936},[926,2383,983],{"class":932},[926,2385,2386,2388,2390,2392,2395,2397,2400,2403],{"class":928,"line":1028},[926,2387,1608],{"class":932},[926,2389,1201],{"class":943},[926,2391,947],{"class":932},[926,2393,2394],{"class":1008},"\"异常：\"",[926,2396,1618],{"class":936},[926,2398,2399],{"class":932}," ex.",[926,2401,2402],{"class":943},"getMessage",[926,2404,2152],{"class":932},[926,2406,2407,2409,2412,2415],{"class":928,"line":1035},[926,2408,2359],{"class":936},[926,2410,2411],{"class":1008}," \"默认值\"",[926,2413,2414],{"class":932},";  ",[926,2416,2417],{"class":1031},"\u002F\u002F 返回默认值\n",[926,2419,2420],{"class":928,"line":1052},[926,2421,1626],{"class":932},[926,2423,2424],{"class":928,"line":1057},[926,2425,1025],{"emptyLinePlaceholder":1024},[926,2427,2428,2430,2432,2434,2436,2438],{"class":928,"line":1063},[926,2429,1552],{"class":932},[926,2431,1201],{"class":943},[926,2433,1557],{"class":932},[926,2435,1420],{"class":943},[926,2437,1562],{"class":932},[926,2439,2440],{"class":1031},"\u002F\u002F 默认值\n",[1078,2442,2444],{"id":2443},"handle-统一处理","handle - 统一处理",[892,2446,2447],{},"无论成功或失败都会执行。",[918,2449,2451],{"className":920,"code":2450,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf = CompletableFuture\n    .supplyAsync(() -> {\n        if (Math.random() > 0.5) {\n            throw new RuntimeException(\"出错了\");\n        }\n        return \"成功\";\n    })\n    .handle((result, ex) -> {\n        if (ex != null) {\n            return \"发生异常：\" + ex.getMessage();\n        }\n        return \"结果：\" + result;\n    });\n",[895,2452,2453,2465,2477,2499,2514,2519,2527,2531,2545,2560,2576,2580,2591],{"__ignoreMap":11},[926,2454,2455,2457,2459,2461,2463],{"class":928,"line":929},[926,2456,1096],{"class":932},[926,2458,963],{"class":936},[926,2460,1336],{"class":932},[926,2462,937],{"class":936},[926,2464,1476],{"class":932},[926,2466,2467,2469,2471,2473,2475],{"class":928,"line":957},[926,2468,1481],{"class":932},[926,2470,1236],{"class":943},[926,2472,977],{"class":932},[926,2474,980],{"class":936},[926,2476,983],{"class":932},[926,2478,2479,2481,2484,2487,2490,2493,2496],{"class":928,"line":986},[926,2480,2330],{"class":936},[926,2482,2483],{"class":932}," (Math.",[926,2485,2486],{"class":943},"random",[926,2488,2489],{"class":932},"() ",[926,2491,2492],{"class":936},">",[926,2494,2495],{"class":950}," 0.5",[926,2497,2498],{"class":932},") {\n",[926,2500,2501,2504,2506,2508,2510,2512],{"class":928,"line":1002},[926,2502,2503],{"class":936},"            throw",[926,2505,1139],{"class":936},[926,2507,2347],{"class":943},[926,2509,947],{"class":932},[926,2511,2352],{"class":1008},[926,2513,954],{"class":932},[926,2515,2516],{"class":928,"line":1015},[926,2517,2518],{"class":932},"        }\n",[926,2520,2521,2523,2525],{"class":928,"line":1021},[926,2522,2359],{"class":936},[926,2524,2362],{"class":1008},[926,2526,1012],{"class":932},[926,2528,2529],{"class":928,"line":1028},[926,2530,2369],{"class":932},[926,2532,2533,2535,2538,2541,2543],{"class":928,"line":1035},[926,2534,1481],{"class":932},[926,2536,2537],{"class":943},"handle",[926,2539,2540],{"class":932},"((result, ex) ",[926,2542,980],{"class":936},[926,2544,983],{"class":932},[926,2546,2547,2549,2552,2555,2558],{"class":928,"line":1052},[926,2548,2330],{"class":936},[926,2550,2551],{"class":932}," (ex ",[926,2553,2554],{"class":936},"!=",[926,2556,2557],{"class":950}," null",[926,2559,2498],{"class":932},[926,2561,2562,2565,2568,2570,2572,2574],{"class":928,"line":1057},[926,2563,2564],{"class":936},"            return",[926,2566,2567],{"class":1008}," \"发生异常：\"",[926,2569,1618],{"class":936},[926,2571,2399],{"class":932},[926,2573,2402],{"class":943},[926,2575,1049],{"class":932},[926,2577,2578],{"class":928,"line":1063},[926,2579,2518],{"class":932},[926,2581,2582,2584,2586,2588],{"class":928,"line":1069},[926,2583,2359],{"class":936},[926,2585,1833],{"class":1008},[926,2587,1618],{"class":936},[926,2589,2590],{"class":932}," result;\n",[926,2592,2593],{"class":928,"line":1284},[926,2594,1626],{"class":932},[1078,2596,2598],{"id":2597},"whencomplete-回调通知","whenComplete - 回调通知",[892,2600,2601],{},"不改变结果，仅做通知。",[918,2603,2605],{"className":920,"code":2604,"language":922,"meta":11,"style":11},"CompletableFuture\u003CString> cf = CompletableFuture\n    .supplyAsync(() -> \"结果\")\n    .whenComplete((result, ex) -> {\n        if (ex != null) {\n            System.out.println(\"异常：\" + ex);\n        } else {\n            System.out.println(\"成功：\" + result);\n        }\n    });\n",[895,2606,2607,2619,2633,2646,2658,2674,2684,2699,2703],{"__ignoreMap":11},[926,2608,2609,2611,2613,2615,2617],{"class":928,"line":929},[926,2610,1096],{"class":932},[926,2612,963],{"class":936},[926,2614,1336],{"class":932},[926,2616,937],{"class":936},[926,2618,1476],{"class":932},[926,2620,2621,2623,2625,2627,2629,2631],{"class":928,"line":957},[926,2622,1481],{"class":932},[926,2624,1236],{"class":943},[926,2626,977],{"class":932},[926,2628,980],{"class":936},[926,2630,1009],{"class":1008},[926,2632,1493],{"class":932},[926,2634,2635,2637,2640,2642,2644],{"class":928,"line":986},[926,2636,1481],{"class":932},[926,2638,2639],{"class":943},"whenComplete",[926,2641,2540],{"class":932},[926,2643,980],{"class":936},[926,2645,983],{"class":932},[926,2647,2648,2650,2652,2654,2656],{"class":928,"line":1002},[926,2649,2330],{"class":936},[926,2651,2551],{"class":932},[926,2653,2554],{"class":936},[926,2655,2557],{"class":950},[926,2657,2498],{"class":932},[926,2659,2660,2663,2665,2667,2669,2671],{"class":928,"line":1015},[926,2661,2662],{"class":932},"            System.out.",[926,2664,1201],{"class":943},[926,2666,947],{"class":932},[926,2668,2394],{"class":1008},[926,2670,1618],{"class":936},[926,2672,2673],{"class":932}," ex);\n",[926,2675,2676,2679,2682],{"class":928,"line":1021},[926,2677,2678],{"class":932},"        } ",[926,2680,2681],{"class":936},"else",[926,2683,983],{"class":932},[926,2685,2686,2688,2690,2692,2695,2697],{"class":928,"line":1028},[926,2687,2662],{"class":932},[926,2689,1201],{"class":943},[926,2691,947],{"class":932},[926,2693,2694],{"class":1008},"\"成功：\"",[926,2696,1618],{"class":936},[926,2698,1621],{"class":932},[926,2700,2701],{"class":928,"line":1035},[926,2702,2518],{"class":932},[926,2704,2705],{"class":928,"line":1052},[926,2706,1626],{"class":932},[907,2708,2709],{"id":2709},"实战示例",[1078,2711,2713],{"id":2712},"示例1并行调用多个服务","示例1：并行调用多个服务",[918,2715,2717],{"className":920,"code":2716,"language":922,"meta":11,"style":11},"public class ParallelServiceCall {\n    public static void main(String[] args) {\n        long start = System.currentTimeMillis();\n        \n        \u002F\u002F 并行调用三个服务\n        CompletableFuture\u003CString> userFuture = CompletableFuture.supplyAsync(() -> {\n            sleep(1000);\n            return \"用户信息\";\n        });\n        \n        CompletableFuture\u003CString> orderFuture = CompletableFuture.supplyAsync(() -> {\n            sleep(1500);\n            return \"订单信息\";\n        });\n        \n        CompletableFuture\u003CString> productFuture = CompletableFuture.supplyAsync(() -> {\n            sleep(800);\n            return \"商品信息\";\n        });\n        \n        \u002F\u002F 等待所有完成并汇总\n        CompletableFuture\u003CString> result = CompletableFuture\n            .allOf(userFuture, orderFuture, productFuture)\n            .thenApply(v -> {\n                return String.format(\"汇总：%s, %s, %s\",\n                    userFuture.join(),\n                    orderFuture.join(),\n                    productFuture.join());\n            });\n        \n        System.out.println(result.join());\n        System.out.println(\"耗时：\" + (System.currentTimeMillis() - start) + \"ms\");\n        \u002F\u002F 耗时约 1500ms（而非 3300ms）\n    }\n    \n    static void sleep(long millis) {\n        try { Thread.sleep(millis); } catch (InterruptedException e) {}\n    }\n}\n",[895,2718,2719,2732,2759,2777,2782,2787,2809,2820,2829,2834,2838,2859,2870,2879,2883,2887,2909,2921,2931,2936,2941,2947,2961,2972,2986,3006,3017,3027,3037,3043,3048,3062,3096,3102,3108,3114,3135,3161,3166],{"__ignoreMap":11},[926,2720,2721,2724,2727,2730],{"class":928,"line":929},[926,2722,2723],{"class":936},"public",[926,2725,2726],{"class":936}," class",[926,2728,2729],{"class":943}," ParallelServiceCall",[926,2731,983],{"class":932},[926,2733,2734,2737,2740,2743,2746,2748,2750,2753,2757],{"class":928,"line":957},[926,2735,2736],{"class":936},"    public",[926,2738,2739],{"class":936}," static",[926,2741,2742],{"class":936}," void",[926,2744,2745],{"class":943}," main",[926,2747,947],{"class":932},[926,2749,963],{"class":936},[926,2751,2752],{"class":932},"[] ",[926,2754,2756],{"class":2755},"sP4rz","args",[926,2758,2498],{"class":932},[926,2760,2761,2764,2767,2769,2772,2775],{"class":928,"line":986},[926,2762,2763],{"class":936},"        long",[926,2765,2766],{"class":932}," start ",[926,2768,937],{"class":936},[926,2770,2771],{"class":932}," System.",[926,2773,2774],{"class":943},"currentTimeMillis",[926,2776,1049],{"class":932},[926,2778,2779],{"class":928,"line":1002},[926,2780,2781],{"class":932},"        \n",[926,2783,2784],{"class":928,"line":1015},[926,2785,2786],{"class":1031},"        \u002F\u002F 并行调用三个服务\n",[926,2788,2789,2792,2794,2797,2799,2801,2803,2805,2807],{"class":928,"line":1021},[926,2790,2791],{"class":932},"        CompletableFuture\u003C",[926,2793,963],{"class":936},[926,2795,2796],{"class":932},"> userFuture ",[926,2798,937],{"class":936},[926,2800,1106],{"class":932},[926,2802,1236],{"class":943},[926,2804,977],{"class":932},[926,2806,980],{"class":936},[926,2808,983],{"class":932},[926,2810,2811,2814,2816,2818],{"class":928,"line":1028},[926,2812,2813],{"class":943},"            sleep",[926,2815,947],{"class":932},[926,2817,997],{"class":950},[926,2819,954],{"class":932},[926,2821,2822,2824,2827],{"class":928,"line":1035},[926,2823,2564],{"class":936},[926,2825,2826],{"class":1008}," \"用户信息\"",[926,2828,1012],{"class":932},[926,2830,2831],{"class":928,"line":1052},[926,2832,2833],{"class":932},"        });\n",[926,2835,2836],{"class":928,"line":1057},[926,2837,2781],{"class":932},[926,2839,2840,2842,2844,2847,2849,2851,2853,2855,2857],{"class":928,"line":1063},[926,2841,2791],{"class":932},[926,2843,963],{"class":936},[926,2845,2846],{"class":932},"> orderFuture ",[926,2848,937],{"class":936},[926,2850,1106],{"class":932},[926,2852,1236],{"class":943},[926,2854,977],{"class":932},[926,2856,980],{"class":936},[926,2858,983],{"class":932},[926,2860,2861,2863,2865,2868],{"class":928,"line":1069},[926,2862,2813],{"class":943},[926,2864,947],{"class":932},[926,2866,2867],{"class":950},"1500",[926,2869,954],{"class":932},[926,2871,2872,2874,2877],{"class":928,"line":1284},[926,2873,2564],{"class":936},[926,2875,2876],{"class":1008}," \"订单信息\"",[926,2878,1012],{"class":932},[926,2880,2881],{"class":928,"line":1306},[926,2882,2833],{"class":932},[926,2884,2885],{"class":928,"line":1316},[926,2886,2781],{"class":932},[926,2888,2890,2892,2894,2897,2899,2901,2903,2905,2907],{"class":928,"line":2889},16,[926,2891,2791],{"class":932},[926,2893,963],{"class":936},[926,2895,2896],{"class":932},"> productFuture ",[926,2898,937],{"class":936},[926,2900,1106],{"class":932},[926,2902,1236],{"class":943},[926,2904,977],{"class":932},[926,2906,980],{"class":936},[926,2908,983],{"class":932},[926,2910,2912,2914,2916,2919],{"class":928,"line":2911},17,[926,2913,2813],{"class":943},[926,2915,947],{"class":932},[926,2917,2918],{"class":950},"800",[926,2920,954],{"class":932},[926,2922,2924,2926,2929],{"class":928,"line":2923},18,[926,2925,2564],{"class":936},[926,2927,2928],{"class":1008}," \"商品信息\"",[926,2930,1012],{"class":932},[926,2932,2934],{"class":928,"line":2933},19,[926,2935,2833],{"class":932},[926,2937,2939],{"class":928,"line":2938},20,[926,2940,2781],{"class":932},[926,2942,2944],{"class":928,"line":2943},21,[926,2945,2946],{"class":1031},"        \u002F\u002F 等待所有完成并汇总\n",[926,2948,2950,2952,2954,2957,2959],{"class":928,"line":2949},22,[926,2951,2791],{"class":932},[926,2953,963],{"class":936},[926,2955,2956],{"class":932},"> result ",[926,2958,937],{"class":936},[926,2960,1476],{"class":932},[926,2962,2964,2967,2969],{"class":928,"line":2963},23,[926,2965,2966],{"class":932},"            .",[926,2968,2069],{"class":943},[926,2970,2971],{"class":932},"(userFuture, orderFuture, productFuture)\n",[926,2973,2975,2977,2979,2982,2984],{"class":928,"line":2974},24,[926,2976,2966],{"class":932},[926,2978,1500],{"class":943},[926,2980,2981],{"class":932},"(v ",[926,2983,980],{"class":936},[926,2985,983],{"class":932},[926,2987,2989,2992,2995,2998,3000,3003],{"class":928,"line":2988},25,[926,2990,2991],{"class":936},"                return",[926,2993,2994],{"class":932}," String.",[926,2996,2997],{"class":943},"format",[926,2999,947],{"class":932},[926,3001,3002],{"class":1008},"\"汇总：%s, %s, %s\"",[926,3004,3005],{"class":932},",\n",[926,3007,3009,3012,3014],{"class":928,"line":3008},26,[926,3010,3011],{"class":932},"                    userFuture.",[926,3013,1420],{"class":943},[926,3015,3016],{"class":932},"(),\n",[926,3018,3020,3023,3025],{"class":928,"line":3019},27,[926,3021,3022],{"class":932},"                    orderFuture.",[926,3024,1420],{"class":943},[926,3026,3016],{"class":932},[926,3028,3030,3033,3035],{"class":928,"line":3029},28,[926,3031,3032],{"class":932},"                    productFuture.",[926,3034,1420],{"class":943},[926,3036,2152],{"class":932},[926,3038,3040],{"class":928,"line":3039},29,[926,3041,3042],{"class":932},"            });\n",[926,3044,3046],{"class":928,"line":3045},30,[926,3047,2781],{"class":932},[926,3049,3051,3053,3055,3058,3060],{"class":928,"line":3050},31,[926,3052,1608],{"class":932},[926,3054,1201],{"class":943},[926,3056,3057],{"class":932},"(result.",[926,3059,1420],{"class":943},[926,3061,2152],{"class":932},[926,3063,3065,3067,3069,3071,3074,3076,3079,3081,3083,3086,3089,3091,3094],{"class":928,"line":3064},32,[926,3066,1608],{"class":932},[926,3068,1201],{"class":943},[926,3070,947],{"class":932},[926,3072,3073],{"class":1008},"\"耗时：\"",[926,3075,1618],{"class":936},[926,3077,3078],{"class":932}," (System.",[926,3080,2774],{"class":943},[926,3082,2489],{"class":932},[926,3084,3085],{"class":936},"-",[926,3087,3088],{"class":932}," start) ",[926,3090,1947],{"class":936},[926,3092,3093],{"class":1008}," \"ms\"",[926,3095,954],{"class":932},[926,3097,3099],{"class":928,"line":3098},33,[926,3100,3101],{"class":1031},"        \u002F\u002F 耗时约 1500ms（而非 3300ms）\n",[926,3103,3105],{"class":928,"line":3104},34,[926,3106,3107],{"class":932},"    }\n",[926,3109,3111],{"class":928,"line":3110},35,[926,3112,3113],{"class":932},"    \n",[926,3115,3117,3120,3122,3125,3127,3130,3133],{"class":928,"line":3116},36,[926,3118,3119],{"class":936},"    static",[926,3121,2742],{"class":936},[926,3123,3124],{"class":943}," sleep",[926,3126,947],{"class":932},[926,3128,3129],{"class":936},"long",[926,3131,3132],{"class":2755}," millis",[926,3134,2498],{"class":932},[926,3136,3138,3141,3144,3146,3149,3152,3155,3158],{"class":928,"line":3137},37,[926,3139,3140],{"class":936},"        try",[926,3142,3143],{"class":932}," { Thread.",[926,3145,992],{"class":943},[926,3147,3148],{"class":932},"(millis); } ",[926,3150,3151],{"class":936},"catch",[926,3153,3154],{"class":932}," (InterruptedException ",[926,3156,3157],{"class":2755},"e",[926,3159,3160],{"class":932},") {}\n",[926,3162,3164],{"class":928,"line":3163},38,[926,3165,3107],{"class":932},[926,3167,3169],{"class":928,"line":3168},39,[926,3170,3171],{"class":932},"}\n",[1078,3173,3175],{"id":3174},"示例2异步任务编排","示例2：异步任务编排",[918,3177,3179],{"className":920,"code":3178,"language":922,"meta":11,"style":11},"public class AsyncTaskChain {\n    public static void main(String[] args) {\n        CompletableFuture\u003CString> result = CompletableFuture\n            \u002F\u002F 1. 获取用户ID\n            .supplyAsync(() -> {\n                System.out.println(\"步骤1：获取用户ID\");\n                return 12345L;\n            })\n            \u002F\u002F 2. 根据用户ID查询用户信息\n            .thenCompose(userId -> CompletableFuture.supplyAsync(() -> {\n                System.out.println(\"步骤2：查询用户信息，ID=\" + userId);\n                return new User(userId, \"张三\");\n            }))\n            \u002F\u002F 3. 根据用户信息查询订单\n            .thenCompose(user -> CompletableFuture.supplyAsync(() -> {\n                System.out.println(\"步骤3：查询订单，用户=\" + user.name);\n                return \"订单-001\";\n            }))\n            \u002F\u002F 4. 异常处理\n            .exceptionally(ex -> {\n                System.out.println(\"发生异常：\" + ex.getMessage());\n                return \"默认订单\";\n            });\n        \n        System.out.println(\"最终结果：\" + result.join());\n    }\n}\n\nclass User {\n    Long id;\n    String name;\n    User(Long id, String name) {\n        this.id = id;\n        this.name = name;\n    }\n}\n",[895,3180,3181,3192,3212,3224,3229,3241,3255,3264,3269,3274,3295,3311,3328,3333,3338,3359,3375,3384,3388,3393,3405,3424,3433,3437,3441,3461,3465,3469,3473,3482,3487,3492,3511,3524,3536,3540],{"__ignoreMap":11},[926,3182,3183,3185,3187,3190],{"class":928,"line":929},[926,3184,2723],{"class":936},[926,3186,2726],{"class":936},[926,3188,3189],{"class":943}," AsyncTaskChain",[926,3191,983],{"class":932},[926,3193,3194,3196,3198,3200,3202,3204,3206,3208,3210],{"class":928,"line":957},[926,3195,2736],{"class":936},[926,3197,2739],{"class":936},[926,3199,2742],{"class":936},[926,3201,2745],{"class":943},[926,3203,947],{"class":932},[926,3205,963],{"class":936},[926,3207,2752],{"class":932},[926,3209,2756],{"class":2755},[926,3211,2498],{"class":932},[926,3213,3214,3216,3218,3220,3222],{"class":928,"line":986},[926,3215,2791],{"class":932},[926,3217,963],{"class":936},[926,3219,2956],{"class":932},[926,3221,937],{"class":936},[926,3223,1476],{"class":932},[926,3225,3226],{"class":928,"line":1002},[926,3227,3228],{"class":1031},"            \u002F\u002F 1. 获取用户ID\n",[926,3230,3231,3233,3235,3237,3239],{"class":928,"line":1015},[926,3232,2966],{"class":932},[926,3234,1236],{"class":943},[926,3236,977],{"class":932},[926,3238,980],{"class":936},[926,3240,983],{"class":932},[926,3242,3243,3246,3248,3250,3253],{"class":928,"line":1021},[926,3244,3245],{"class":932},"                System.out.",[926,3247,1201],{"class":943},[926,3249,947],{"class":932},[926,3251,3252],{"class":1008},"\"步骤1：获取用户ID\"",[926,3254,954],{"class":932},[926,3256,3257,3259,3262],{"class":928,"line":1028},[926,3258,2991],{"class":936},[926,3260,3261],{"class":950}," 12345L",[926,3263,1012],{"class":932},[926,3265,3266],{"class":928,"line":1035},[926,3267,3268],{"class":932},"            })\n",[926,3270,3271],{"class":928,"line":1052},[926,3272,3273],{"class":1031},"            \u002F\u002F 2. 根据用户ID查询用户信息\n",[926,3275,3276,3278,3280,3283,3285,3287,3289,3291,3293],{"class":928,"line":1057},[926,3277,2966],{"class":932},[926,3279,1818],{"class":943},[926,3281,3282],{"class":932},"(userId ",[926,3284,980],{"class":936},[926,3286,1106],{"class":932},[926,3288,1236],{"class":943},[926,3290,977],{"class":932},[926,3292,980],{"class":936},[926,3294,983],{"class":932},[926,3296,3297,3299,3301,3303,3306,3308],{"class":928,"line":1063},[926,3298,3245],{"class":932},[926,3300,1201],{"class":943},[926,3302,947],{"class":932},[926,3304,3305],{"class":1008},"\"步骤2：查询用户信息，ID=\"",[926,3307,1618],{"class":936},[926,3309,3310],{"class":932}," userId);\n",[926,3312,3313,3315,3317,3320,3323,3326],{"class":928,"line":1069},[926,3314,2991],{"class":936},[926,3316,1139],{"class":936},[926,3318,3319],{"class":943}," User",[926,3321,3322],{"class":932},"(userId, ",[926,3324,3325],{"class":1008},"\"张三\"",[926,3327,954],{"class":932},[926,3329,3330],{"class":928,"line":1284},[926,3331,3332],{"class":932},"            }))\n",[926,3334,3335],{"class":928,"line":1306},[926,3336,3337],{"class":1031},"            \u002F\u002F 3. 根据用户信息查询订单\n",[926,3339,3340,3342,3344,3347,3349,3351,3353,3355,3357],{"class":928,"line":1316},[926,3341,2966],{"class":932},[926,3343,1818],{"class":943},[926,3345,3346],{"class":932},"(user ",[926,3348,980],{"class":936},[926,3350,1106],{"class":932},[926,3352,1236],{"class":943},[926,3354,977],{"class":932},[926,3356,980],{"class":936},[926,3358,983],{"class":932},[926,3360,3361,3363,3365,3367,3370,3372],{"class":928,"line":2889},[926,3362,3245],{"class":932},[926,3364,1201],{"class":943},[926,3366,947],{"class":932},[926,3368,3369],{"class":1008},"\"步骤3：查询订单，用户=\"",[926,3371,1618],{"class":936},[926,3373,3374],{"class":932}," user.name);\n",[926,3376,3377,3379,3382],{"class":928,"line":2911},[926,3378,2991],{"class":936},[926,3380,3381],{"class":1008}," \"订单-001\"",[926,3383,1012],{"class":932},[926,3385,3386],{"class":928,"line":2923},[926,3387,3332],{"class":932},[926,3389,3390],{"class":928,"line":2933},[926,3391,3392],{"class":1031},"            \u002F\u002F 4. 异常处理\n",[926,3394,3395,3397,3399,3401,3403],{"class":928,"line":2938},[926,3396,2966],{"class":932},[926,3398,2376],{"class":943},[926,3400,2379],{"class":932},[926,3402,980],{"class":936},[926,3404,983],{"class":932},[926,3406,3407,3409,3411,3413,3416,3418,3420,3422],{"class":928,"line":2943},[926,3408,3245],{"class":932},[926,3410,1201],{"class":943},[926,3412,947],{"class":932},[926,3414,3415],{"class":1008},"\"发生异常：\"",[926,3417,1618],{"class":936},[926,3419,2399],{"class":932},[926,3421,2402],{"class":943},[926,3423,2152],{"class":932},[926,3425,3426,3428,3431],{"class":928,"line":2949},[926,3427,2991],{"class":936},[926,3429,3430],{"class":1008}," \"默认订单\"",[926,3432,1012],{"class":932},[926,3434,3435],{"class":928,"line":2963},[926,3436,3042],{"class":932},[926,3438,3439],{"class":928,"line":2974},[926,3440,2781],{"class":932},[926,3442,3443,3445,3447,3449,3452,3454,3457,3459],{"class":928,"line":2988},[926,3444,1608],{"class":932},[926,3446,1201],{"class":943},[926,3448,947],{"class":932},[926,3450,3451],{"class":1008},"\"最终结果：\"",[926,3453,1618],{"class":936},[926,3455,3456],{"class":932}," result.",[926,3458,1420],{"class":943},[926,3460,2152],{"class":932},[926,3462,3463],{"class":928,"line":3008},[926,3464,3107],{"class":932},[926,3466,3467],{"class":928,"line":3019},[926,3468,3171],{"class":932},[926,3470,3471],{"class":928,"line":3029},[926,3472,1025],{"emptyLinePlaceholder":1024},[926,3474,3475,3478,3480],{"class":928,"line":3039},[926,3476,3477],{"class":936},"class",[926,3479,3319],{"class":943},[926,3481,983],{"class":932},[926,3483,3484],{"class":928,"line":3045},[926,3485,3486],{"class":932},"    Long id;\n",[926,3488,3489],{"class":928,"line":3050},[926,3490,3491],{"class":932},"    String name;\n",[926,3493,3494,3497,3500,3503,3506,3509],{"class":928,"line":3064},[926,3495,3496],{"class":943},"    User",[926,3498,3499],{"class":932},"(Long ",[926,3501,3502],{"class":2755},"id",[926,3504,3505],{"class":932},", String ",[926,3507,3508],{"class":2755},"name",[926,3510,2498],{"class":932},[926,3512,3513,3516,3519,3521],{"class":928,"line":3098},[926,3514,3515],{"class":950},"        this",[926,3517,3518],{"class":932},".id ",[926,3520,937],{"class":936},[926,3522,3523],{"class":932}," id;\n",[926,3525,3526,3528,3531,3533],{"class":928,"line":3104},[926,3527,3515],{"class":950},[926,3529,3530],{"class":932},".name ",[926,3532,937],{"class":936},[926,3534,3535],{"class":932}," name;\n",[926,3537,3538],{"class":928,"line":3110},[926,3539,3107],{"class":932},[926,3541,3542],{"class":928,"line":3116},[926,3543,3171],{"class":932},[1078,3545,3547],{"id":3546},"示例3带超时的异步调用","示例3：带超时的异步调用",[918,3549,3551],{"className":920,"code":3550,"language":922,"meta":11,"style":11},"public class AsyncWithTimeout {\n    public static void main(String[] args) {\n        CompletableFuture\u003CString> cf = CompletableFuture\n            .supplyAsync(() -> {\n                sleep(5000);  \u002F\u002F 模拟慢操作\n                return \"结果\";\n            })\n            \u002F\u002F JDK 9+ 支持\n            \u002F\u002F .orTimeout(2, TimeUnit.SECONDS)\n            \u002F\u002F .completeOnTimeout(\"超时默认值\", 2, TimeUnit.SECONDS)\n            ;\n        \n        try {\n            String result = cf.get(2, TimeUnit.SECONDS);\n            System.out.println(\"结果：\" + result);\n        } catch (TimeoutException e) {\n            System.out.println(\"操作超时\");\n            cf.cancel(true);\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n    \n    static void sleep(long millis) {\n        try { Thread.sleep(millis); } catch (InterruptedException e) {}\n    }\n}\n",[895,3552,3553,3564,3584,3596,3608,3624,3632,3636,3641,3646,3651,3656,3660,3666,3684,3699,3712,3725,3739,3752,3762,3766,3770,3774,3790,3808,3812],{"__ignoreMap":11},[926,3554,3555,3557,3559,3562],{"class":928,"line":929},[926,3556,2723],{"class":936},[926,3558,2726],{"class":936},[926,3560,3561],{"class":943}," AsyncWithTimeout",[926,3563,983],{"class":932},[926,3565,3566,3568,3570,3572,3574,3576,3578,3580,3582],{"class":928,"line":957},[926,3567,2736],{"class":936},[926,3569,2739],{"class":936},[926,3571,2742],{"class":936},[926,3573,2745],{"class":943},[926,3575,947],{"class":932},[926,3577,963],{"class":936},[926,3579,2752],{"class":932},[926,3581,2756],{"class":2755},[926,3583,2498],{"class":932},[926,3585,3586,3588,3590,3592,3594],{"class":928,"line":986},[926,3587,2791],{"class":932},[926,3589,963],{"class":936},[926,3591,1336],{"class":932},[926,3593,937],{"class":936},[926,3595,1476],{"class":932},[926,3597,3598,3600,3602,3604,3606],{"class":928,"line":1002},[926,3599,2966],{"class":932},[926,3601,1236],{"class":943},[926,3603,977],{"class":932},[926,3605,980],{"class":936},[926,3607,983],{"class":932},[926,3609,3610,3613,3615,3618,3621],{"class":928,"line":1015},[926,3611,3612],{"class":943},"                sleep",[926,3614,947],{"class":932},[926,3616,3617],{"class":950},"5000",[926,3619,3620],{"class":932},");  ",[926,3622,3623],{"class":1031},"\u002F\u002F 模拟慢操作\n",[926,3625,3626,3628,3630],{"class":928,"line":1021},[926,3627,2991],{"class":936},[926,3629,1009],{"class":1008},[926,3631,1012],{"class":932},[926,3633,3634],{"class":928,"line":1028},[926,3635,3268],{"class":932},[926,3637,3638],{"class":928,"line":1035},[926,3639,3640],{"class":1031},"            \u002F\u002F JDK 9+ 支持\n",[926,3642,3643],{"class":928,"line":1052},[926,3644,3645],{"class":1031},"            \u002F\u002F .orTimeout(2, TimeUnit.SECONDS)\n",[926,3647,3648],{"class":928,"line":1057},[926,3649,3650],{"class":1031},"            \u002F\u002F .completeOnTimeout(\"超时默认值\", 2, TimeUnit.SECONDS)\n",[926,3652,3653],{"class":928,"line":1063},[926,3654,3655],{"class":932},"            ;\n",[926,3657,3658],{"class":928,"line":1069},[926,3659,2781],{"class":932},[926,3661,3662,3664],{"class":928,"line":1284},[926,3663,3140],{"class":936},[926,3665,983],{"class":932},[926,3667,3668,3671,3673,3675,3677,3679,3681],{"class":928,"line":1306},[926,3669,3670],{"class":932},"            String result ",[926,3672,937],{"class":936},[926,3674,1369],{"class":932},[926,3676,1046],{"class":943},[926,3678,947],{"class":932},[926,3680,951],{"class":950},[926,3682,3683],{"class":932},", TimeUnit.SECONDS);\n",[926,3685,3686,3688,3690,3692,3695,3697],{"class":928,"line":1316},[926,3687,2662],{"class":932},[926,3689,1201],{"class":943},[926,3691,947],{"class":932},[926,3693,3694],{"class":1008},"\"结果：\"",[926,3696,1618],{"class":936},[926,3698,1621],{"class":932},[926,3700,3701,3703,3705,3708,3710],{"class":928,"line":2889},[926,3702,2678],{"class":932},[926,3704,3151],{"class":936},[926,3706,3707],{"class":932}," (TimeoutException ",[926,3709,3157],{"class":2755},[926,3711,2498],{"class":932},[926,3713,3714,3716,3718,3720,3723],{"class":928,"line":2911},[926,3715,2662],{"class":932},[926,3717,1201],{"class":943},[926,3719,947],{"class":932},[926,3721,3722],{"class":1008},"\"操作超时\"",[926,3724,954],{"class":932},[926,3726,3727,3730,3733,3735,3737],{"class":928,"line":2923},[926,3728,3729],{"class":932},"            cf.",[926,3731,3732],{"class":943},"cancel",[926,3734,947],{"class":932},[926,3736,2336],{"class":950},[926,3738,954],{"class":932},[926,3740,3741,3743,3745,3748,3750],{"class":928,"line":2933},[926,3742,2678],{"class":932},[926,3744,3151],{"class":936},[926,3746,3747],{"class":932}," (Exception ",[926,3749,3157],{"class":2755},[926,3751,2498],{"class":932},[926,3753,3754,3757,3760],{"class":928,"line":2938},[926,3755,3756],{"class":932},"            e.",[926,3758,3759],{"class":943},"printStackTrace",[926,3761,1049],{"class":932},[926,3763,3764],{"class":928,"line":2943},[926,3765,2518],{"class":932},[926,3767,3768],{"class":928,"line":2949},[926,3769,3107],{"class":932},[926,3771,3772],{"class":928,"line":2963},[926,3773,3113],{"class":932},[926,3775,3776,3778,3780,3782,3784,3786,3788],{"class":928,"line":2974},[926,3777,3119],{"class":936},[926,3779,2742],{"class":936},[926,3781,3124],{"class":943},[926,3783,947],{"class":932},[926,3785,3129],{"class":936},[926,3787,3132],{"class":2755},[926,3789,2498],{"class":932},[926,3791,3792,3794,3796,3798,3800,3802,3804,3806],{"class":928,"line":2988},[926,3793,3140],{"class":936},[926,3795,3143],{"class":932},[926,3797,992],{"class":943},[926,3799,3148],{"class":932},[926,3801,3151],{"class":936},[926,3803,3154],{"class":932},[926,3805,3157],{"class":2755},[926,3807,3160],{"class":932},[926,3809,3810],{"class":928,"line":3008},[926,3811,3107],{"class":932},[926,3813,3814],{"class":928,"line":3019},[926,3815,3171],{"class":932},[907,3817,3819],{"id":3818},"api-速查表","API 速查表",[1078,3821,3822],{"id":3822},"创建",[3824,3825,3826,3839],"table",{},[3827,3828,3829],"thead",{},[3830,3831,3832,3836],"tr",{},[3833,3834,3835],"th",{},"方法",[3833,3837,3838],{},"说明",[3840,3841,3842,3851,3859],"tbody",{},[3830,3843,3844,3848],{},[3845,3846,3847],"td",{},"supplyAsync(Supplier)",[3845,3849,3850],{},"异步执行，有返回值",[3830,3852,3853,3856],{},[3845,3854,3855],{},"runAsync(Runnable)",[3845,3857,3858],{},"异步执行，无返回值",[3830,3860,3861,3864],{},[3845,3862,3863],{},"completedFuture(value)",[3845,3865,3866],{},"创建已完成的 Future",[1078,3868,3869],{"id":3869},"转换",[3824,3871,3872,3880],{},[3827,3873,3874],{},[3830,3875,3876,3878],{},[3833,3877,3835],{},[3833,3879,3838],{},[3840,3881,3882,3889,3896,3903,3910],{},[3830,3883,3884,3886],{},[3845,3885,1500],{},[3845,3887,3888],{},"转换结果",[3830,3890,3891,3893],{},[3845,3892,1596],{},[3845,3894,3895],{},"消费结果",[3830,3897,3898,3900],{},[3845,3899,1656],{},[3845,3901,3902],{},"执行下一步",[3830,3904,3905,3907],{},[3845,3906,1818],{},[3845,3908,3909],{},"扁平化（依赖任务）",[3830,3911,3912,3914],{},[3845,3913,1936],{},[3845,3915,3916],{},"合并两个结果",[1078,3918,3919],{"id":3919},"组合",[3824,3921,3922,3930],{},[3827,3923,3924],{},[3830,3925,3926,3928],{},[3833,3927,3835],{},[3833,3929,3838],{},[3840,3931,3932,3939],{},[3830,3933,3934,3936],{},[3845,3935,2069],{},[3845,3937,3938],{},"等待所有完成",[3830,3940,3941,3943],{},[3845,3942,2270],{},[3845,3944,3945],{},"任一完成",[1078,3947,3948],{"id":3948},"异常",[3824,3950,3951,3959],{},[3827,3952,3953],{},[3830,3954,3955,3957],{},[3833,3956,3835],{},[3833,3958,3838],{},[3840,3960,3961,3968,3975],{},[3830,3962,3963,3965],{},[3845,3964,2376],{},[3845,3966,3967],{},"异常恢复",[3830,3969,3970,3972],{},[3845,3971,2537],{},[3845,3973,3974],{},"统一处理",[3830,3976,3977,3979],{},[3845,3978,2639],{},[3845,3980,3981],{},"回调通知",[907,3983,3984],{"id":3984},"最佳实践",[1078,3986,3988],{"id":3987},"_1-使用自定义线程池","1. 使用自定义线程池",[918,3990,3992],{"className":920,"code":3991,"language":922,"meta":11,"style":11},"\u002F\u002F 不推荐：使用默认的 ForkJoinPool\nCompletableFuture.supplyAsync(() -> \"result\");\n\n\u002F\u002F 推荐：使用自定义线程池\nExecutorService executor = Executors.newFixedThreadPool(10);\nCompletableFuture.supplyAsync(() -> \"result\", executor);\n",[895,3993,3994,3999,4014,4018,4023,4040],{"__ignoreMap":11},[926,3995,3996],{"class":928,"line":929},[926,3997,3998],{"class":1031},"\u002F\u002F 不推荐：使用默认的 ForkJoinPool\n",[926,4000,4001,4003,4005,4007,4009,4012],{"class":928,"line":957},[926,4002,1579],{"class":932},[926,4004,1236],{"class":943},[926,4006,977],{"class":932},[926,4008,980],{"class":936},[926,4010,4011],{"class":1008}," \"result\"",[926,4013,954],{"class":932},[926,4015,4016],{"class":928,"line":986},[926,4017,1025],{"emptyLinePlaceholder":1024},[926,4019,4020],{"class":928,"line":1002},[926,4021,4022],{"class":1031},"\u002F\u002F 推荐：使用自定义线程池\n",[926,4024,4025,4027,4029,4031,4033,4035,4038],{"class":928,"line":1015},[926,4026,933],{"class":932},[926,4028,937],{"class":936},[926,4030,940],{"class":932},[926,4032,944],{"class":943},[926,4034,947],{"class":932},[926,4036,4037],{"class":950},"10",[926,4039,954],{"class":932},[926,4041,4042,4044,4046,4048,4050,4052],{"class":928,"line":1021},[926,4043,1579],{"class":932},[926,4045,1236],{"class":943},[926,4047,977],{"class":932},[926,4049,980],{"class":936},[926,4051,4011],{"class":1008},[926,4053,4054],{"class":932},", executor);\n",[1078,4056,4058],{"id":4057},"_2-避免阻塞","2. 避免阻塞",[918,4060,4062],{"className":920,"code":4061,"language":922,"meta":11,"style":11},"\u002F\u002F 不推荐：在异步回调中阻塞\ncf.thenApply(result -> {\n    return anotherCf.get();  \u002F\u002F 阻塞！\n});\n\n\u002F\u002F 推荐：使用 thenCompose\ncf.thenCompose(result -> anotherCf);\n",[895,4063,4064,4069,4082,4096,4100,4104,4109],{"__ignoreMap":11},[926,4065,4066],{"class":928,"line":929},[926,4067,4068],{"class":1031},"\u002F\u002F 不推荐：在异步回调中阻塞\n",[926,4070,4071,4074,4076,4078,4080],{"class":928,"line":957},[926,4072,4073],{"class":932},"cf.",[926,4075,1500],{"class":943},[926,4077,1599],{"class":932},[926,4079,980],{"class":936},[926,4081,983],{"class":932},[926,4083,4084,4086,4089,4091,4093],{"class":928,"line":986},[926,4085,1005],{"class":936},[926,4087,4088],{"class":932}," anotherCf.",[926,4090,1046],{"class":943},[926,4092,1374],{"class":932},[926,4094,4095],{"class":1031},"\u002F\u002F 阻塞！\n",[926,4097,4098],{"class":928,"line":1002},[926,4099,1018],{"class":932},[926,4101,4102],{"class":928,"line":1015},[926,4103,1025],{"emptyLinePlaceholder":1024},[926,4105,4106],{"class":928,"line":1021},[926,4107,4108],{"class":1031},"\u002F\u002F 推荐：使用 thenCompose\n",[926,4110,4111,4113,4115,4117,4119],{"class":928,"line":1028},[926,4112,4073],{"class":932},[926,4114,1818],{"class":943},[926,4116,1599],{"class":932},[926,4118,980],{"class":936},[926,4120,4121],{"class":932}," anotherCf);\n",[1078,4123,4125],{"id":4124},"_3-正确处理异常","3. 正确处理异常",[918,4127,4129],{"className":920,"code":4128,"language":922,"meta":11,"style":11},"CompletableFuture.supplyAsync(() -> riskyOperation())\n    .exceptionally(ex -> {\n        log.error(\"操作失败\", ex);\n        return defaultValue;\n    })\n    .thenAccept(result -> process(result));\n",[895,4130,4131,4147,4159,4175,4182,4186],{"__ignoreMap":11},[926,4132,4133,4135,4137,4139,4141,4144],{"class":928,"line":929},[926,4134,1579],{"class":932},[926,4136,1236],{"class":943},[926,4138,977],{"class":932},[926,4140,980],{"class":936},[926,4142,4143],{"class":943}," riskyOperation",[926,4145,4146],{"class":932},"())\n",[926,4148,4149,4151,4153,4155,4157],{"class":928,"line":957},[926,4150,1481],{"class":932},[926,4152,2376],{"class":943},[926,4154,2379],{"class":932},[926,4156,980],{"class":936},[926,4158,983],{"class":932},[926,4160,4161,4164,4167,4169,4172],{"class":928,"line":986},[926,4162,4163],{"class":932},"        log.",[926,4165,4166],{"class":943},"error",[926,4168,947],{"class":932},[926,4170,4171],{"class":1008},"\"操作失败\"",[926,4173,4174],{"class":932},", ex);\n",[926,4176,4177,4179],{"class":928,"line":1002},[926,4178,2359],{"class":936},[926,4180,4181],{"class":932}," defaultValue;\n",[926,4183,4184],{"class":928,"line":1015},[926,4185,2369],{"class":932},[926,4187,4188,4190,4192,4194,4196,4199],{"class":928,"line":1021},[926,4189,1481],{"class":932},[926,4191,1596],{"class":943},[926,4193,1599],{"class":932},[926,4195,980],{"class":936},[926,4197,4198],{"class":943}," process",[926,4200,4201],{"class":932},"(result));\n",[1078,4203,4205],{"id":4204},"_4-合理设置超时","4. 合理设置超时",[918,4207,4209],{"className":920,"code":4208,"language":922,"meta":11,"style":11},"\u002F\u002F JDK 9+\ncf.orTimeout(5, TimeUnit.SECONDS);\n\n\u002F\u002F JDK 8\ncf.get(5, TimeUnit.SECONDS);\n",[895,4210,4211,4216,4229,4233,4238],{"__ignoreMap":11},[926,4212,4213],{"class":928,"line":929},[926,4214,4215],{"class":1031},"\u002F\u002F JDK 9+\n",[926,4217,4218,4220,4223,4225,4227],{"class":928,"line":957},[926,4219,4073],{"class":932},[926,4221,4222],{"class":943},"orTimeout",[926,4224,947],{"class":932},[926,4226,1393],{"class":950},[926,4228,3683],{"class":932},[926,4230,4231],{"class":928,"line":986},[926,4232,1025],{"emptyLinePlaceholder":1024},[926,4234,4235],{"class":928,"line":1002},[926,4236,4237],{"class":1031},"\u002F\u002F JDK 8\n",[926,4239,4240,4242,4244,4246,4248],{"class":928,"line":1015},[926,4241,4073],{"class":932},[926,4243,1046],{"class":943},[926,4245,947],{"class":932},[926,4247,1393],{"class":950},[926,4249,3683],{"class":932},[907,4251,4252],{"id":4252},"小结",[4254,4255,4256,4265,4268,4274,4279,4284,4289],"ul",{},[4257,4258,4259,4261,4262,4264],"li",{},[895,4260,464],{}," 解决了传统 ",[895,4263,900],{}," 的局限性",[4257,4266,4267],{},"支持链式调用、函数式编程风格",[4257,4269,4270,4273],{},[4271,4272,3822],"strong",{},"：supplyAsync、runAsync",[4257,4275,4276,4278],{},[4271,4277,3869],{},"：thenApply、thenCompose",[4257,4280,4281,4283],{},[4271,4282,3919],{},"：allOf、anyOf、thenCombine",[4257,4285,4286,4288],{},[4271,4287,3948],{},"：exceptionally、handle、whenComplete",[4257,4290,4291],{},"实际使用中建议配合自定义线程池，并合理处理异常和超时",[4293,4294,4295],"style",{},"html pre.shiki code .sxrX7, html code.shiki .sxrX7{--shiki-light:#24292E;--shiki-default:#24292E;--shiki-dark:#E1E4E8}html pre.shiki code .s8jYJ, html code.shiki .s8jYJ{--shiki-light:#D73A49;--shiki-default:#D73A49;--shiki-dark:#F97583}html pre.shiki code .snPdu, html code.shiki .snPdu{--shiki-light:#6F42C1;--shiki-default:#6F42C1;--shiki-dark:#B392F0}html pre.shiki code .sBjJW, html code.shiki .sBjJW{--shiki-light:#005CC5;--shiki-default:#005CC5;--shiki-dark:#79B8FF}html pre.shiki code .sIIMD, html code.shiki .sIIMD{--shiki-light:#032F62;--shiki-default:#032F62;--shiki-dark:#9ECBFF}html pre.shiki code .sCsY4, html code.shiki .sCsY4{--shiki-light:#6A737D;--shiki-default:#6A737D;--shiki-dark:#6A737D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sP4rz, html code.shiki .sP4rz{--shiki-light:#E36209;--shiki-default:#E36209;--shiki-dark:#FFAB70}",{"title":11,"searchDepth":957,"depth":957,"links":4297},[4298,4299,4303,4304,4310,4316,4321,4326,4332,4338],{"id":909,"depth":957,"text":910},{"id":1075,"depth":957,"text":1076,"children":4300},[4301,4302],{"id":1080,"depth":986,"text":1081},{"id":1160,"depth":986,"text":1161},{"id":1322,"depth":957,"text":1322},{"id":1453,"depth":957,"text":1453,"children":4305},[4306,4307,4308,4309],{"id":1456,"depth":986,"text":1457},{"id":1568,"depth":986,"text":1569},{"id":1629,"depth":986,"text":1630},{"id":1682,"depth":986,"text":1682},{"id":1772,"depth":957,"text":1772,"children":4311},[4312,4313,4314,4315],{"id":1775,"depth":986,"text":1776},{"id":1860,"depth":986,"text":1861},{"id":1974,"depth":986,"text":1975},{"id":2155,"depth":986,"text":2156},{"id":2292,"depth":957,"text":2292,"children":4317},[4318,4319,4320],{"id":2295,"depth":986,"text":2296},{"id":2443,"depth":986,"text":2444},{"id":2597,"depth":986,"text":2598},{"id":2709,"depth":957,"text":2709,"children":4322},[4323,4324,4325],{"id":2712,"depth":986,"text":2713},{"id":3174,"depth":986,"text":3175},{"id":3546,"depth":986,"text":3547},{"id":3818,"depth":957,"text":3819,"children":4327},[4328,4329,4330,4331],{"id":3822,"depth":986,"text":3822},{"id":3869,"depth":986,"text":3869},{"id":3919,"depth":986,"text":3919},{"id":3948,"depth":986,"text":3948},{"id":3984,"depth":957,"text":3984,"children":4333},[4334,4335,4336,4337],{"id":3987,"depth":986,"text":3988},{"id":4057,"depth":986,"text":4058},{"id":4124,"depth":986,"text":4125},{"id":4204,"depth":986,"text":4205},{"id":4252,"depth":957,"text":4252},"md",{},{"title":464,"description":465},"other\u002Fjava\u002Fthread\u002Fcompletable-future","bW8bJkD_JKAfwvNVvZIKOBPrjwRiEqOrINOJmMYpJC0",1775496429408]