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Title: GitHub - helldzl/JavaGuide: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

Open Graph Title: GitHub - helldzl/JavaGuide: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

X Title: GitHub - helldzl/JavaGuide: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！

Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - helldzl/JavaGuide

Open Graph Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - helldzl/JavaGuide

X Description: 「Java学习+面试指南」一份涵盖大部分 Java 程序员所需要掌握的核心知识。准备 Java 面试，首选 JavaGuide！ - helldzl/JavaGuide

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并发容器总结https://github.com/helldzl/JavaGuide/blob/master/docs/java/multi-thread/%E5%B9%B6%E5%8F%91%E5%AE%B9%E5%99%A8%E6%80%BB%E7%BB%93.md
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AQS 原理以及 AQS 同步组件总结https://github.com/helldzl/JavaGuide/blob/master/docs/java/multi-thread/AQS%E5%8E%9F%E7%90%86%E4%BB%A5%E5%8F%8AAQS%E5%90%8C%E6%AD%A5%E7%BB%84%E4%BB%B6%E6%80%BB%E7%BB%93.md
CompletableFuture入门https://github.com/helldzl/JavaGuide/blob/master/docs/java/multi-thread/CompletableFuture%E5%85%A5%E9%97%A8.md
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JVM 垃圾回收https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/JVM%E5%9E%83%E5%9C%BE%E5%9B%9E%E6%94%B6.md
JDK 监控和故障处理工具https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/JDK%E7%9B%91%E6%8E%A7%E5%92%8C%E6%95%85%E9%9A%9C%E5%A4%84%E7%90%86%E5%B7%A5%E5%85%B7%E6%80%BB%E7%BB%93.md
类文件结构https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/%E7%B1%BB%E6%96%87%E4%BB%B6%E7%BB%93%E6%9E%84.md
类加载过程https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/%E7%B1%BB%E5%8A%A0%E8%BD%BD%E8%BF%87%E7%A8%8B.md
类加载器https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/%E7%B1%BB%E5%8A%A0%E8%BD%BD%E5%99%A8.md
【待完成】最重要的 JVM 参数指南（翻译完善了一半）https://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/%E6%9C%80%E9%87%8D%E8%A6%81%E7%9A%84JVM%E5%8F%82%E6%95%B0%E6%8C%87%E5%8D%97.md
【加餐】大白话带你认识 JVMhttps://github.com/helldzl/JavaGuide/blob/master/docs/java/jvm/%5B%E5%8A%A0%E9%A4%90%5D%E5%A4%A7%E7%99%BD%E8%AF%9D%E5%B8%A6%E4%BD%A0%E8%AE%A4%E8%AF%86JVM.md
https://github.com/helldzl/JavaGuide#新特性
Java 8 新特性总结https://github.com/helldzl/JavaGuide/blob/master/docs/java/new-features/Java8%E6%96%B0%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93.md
Java8常用新特性总结https://github.com/helldzl/JavaGuide/blob/master/docs/java/new-features/java8-common-new-features.md
Java 8 学习资源推荐https://github.com/helldzl/JavaGuide/blob/master/docs/java/new-features/Java8%E6%95%99%E7%A8%8B%E6%8E%A8%E8%8D%90.md
Java8 forEach 指南https://github.com/helldzl/JavaGuide/blob/master/docs/java/new-features/Java8foreach%E6%8C%87%E5%8D%97.md
一文带你看遍 JDK9~15 的重要新特性！https://github.com/helldzl/JavaGuide/blob/master/docs/java/new-features/java%E6%96%B0%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93.md
https://github.com/helldzl/JavaGuide#小技巧
JAD 反编译https://github.com/helldzl/JavaGuide/blob/master/docs/java/tips/JAD%E5%8F%8D%E7%BC%96%E8%AF%91tricks.md
手把手教你定位常见 Java 性能问题https://github.com/helldzl/JavaGuide/blob/master/docs/java/tips/%E6%89%8B%E6%8A%8A%E6%89%8B%E6%95%99%E4%BD%A0%E5%AE%9A%E4%BD%8D%E5%B8%B8%E8%A7%81Java%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98.md
https://github.com/helldzl/JavaGuide#计算机基础
图解计算机基础 PDF 下载https://mp.weixin.qq.com/s?__biz=Mzg2OTA0Njk0OA==&mid=100021725&idx=1&sn=2db9664ca25363139a81691043e9fd8f&chksm=4ea19a1679d61300d8990f7e43bfc7f476577a81b712cf0f9c6f6552a8b219bc081efddb5c54#rd
https://github.com/helldzl/JavaGuide#操作系统
操作系统常见问题总结！https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/operating-system/basis.md
后端程序员必备的 Linux 基础知识总结https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/operating-system/linux.md
Shell 编程入门https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/operating-system/Shell.md
https://github.com/helldzl/JavaGuide#网络
计算机网络常见面试题https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C.md
计算机网络基础知识总结https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/network/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C%E7%9F%A5%E8%AF%86%E6%80%BB%E7%BB%93.md
https://github.com/helldzl/JavaGuide#数据结构
线性数据结构 :数组、链表、栈、队列https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/%E7%BA%BF%E6%80%A7%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84.md
图https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%9B%BE.md
堆https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%A0%86.md
树https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/%E6%A0%91.md
红黑树https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/%E7%BA%A2%E9%BB%91%E6%A0%91.md
布隆过滤器https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/data-structure/bloom-filter.md
https://github.com/helldzl/JavaGuide#算法
算法学习书籍+资源推荐https://www.zhihu.com/question/323359308/answer/1545320858
如何刷Leetcode?https://www.zhihu.com/question/31092580/answer/1534887374
几道常见的字符串算法题总结 https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%87%A0%E9%81%93%E5%B8%B8%E8%A7%81%E7%9A%84%E5%AD%97%E7%AC%A6%E4%B8%B2%E7%AE%97%E6%B3%95%E9%A2%98.md
几道常见的链表算法题总结 https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%87%A0%E9%81%93%E5%B8%B8%E8%A7%81%E7%9A%84%E9%93%BE%E8%A1%A8%E7%AE%97%E6%B3%95%E9%A2%98.md
剑指 offer 部分编程题https://github.com/helldzl/JavaGuide/blob/master/docs/cs-basics/algorithms/%E5%89%91%E6%8C%87offer%E9%83%A8%E5%88%86%E7%BC%96%E7%A8%8B%E9%A2%98.md
GeeksforGeekshttps://www.geeksforgeeks.org/fundamentals-of-algorithms/
https://github.com/helldzl/JavaGuide#数据库
https://github.com/helldzl/JavaGuide#mysql
数据库基础知识总结https://github.com/helldzl/JavaGuide/blob/master/docs/database/%E6%95%B0%E6%8D%AE%E5%BA%93%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86.md
MySQL知识点总结https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/MySQL%E6%80%BB%E7%BB%93.md
阿里巴巴开发手册数据库部分的一些最佳实践https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/%E9%98%BF%E9%87%8C%E5%B7%B4%E5%B7%B4%E5%BC%80%E5%8F%91%E6%89%8B%E5%86%8C%E6%95%B0%E6%8D%AE%E5%BA%93%E9%83%A8%E5%88%86%E7%9A%84%E4%B8%80%E4%BA%9B%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5.md
一千行 MySQL 学习笔记https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/%E4%B8%80%E5%8D%83%E8%A1%8CMySQL%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0.md
MySQL 高性能优化规范建议https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/MySQL%E9%AB%98%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E8%A7%84%E8%8C%83%E5%BB%BA%E8%AE%AE.md
MySQL数据库索引总结https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/MySQL%E6%95%B0%E6%8D%AE%E5%BA%93%E7%B4%A2%E5%BC%95.md
事务隔离级别(图文详解)https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/%E4%BA%8B%E5%8A%A1%E9%9A%94%E7%A6%BB%E7%BA%A7%E5%88%AB(%E5%9B%BE%E6%96%87%E8%AF%A6%E8%A7%A3).md
MySQL三大日志(binlog、redo log和undo log)详解https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/MySQL%E4%B8%89%E5%A4%A7%E6%97%A5%E5%BF%97.md
InnoDB存储引擎对MVCC的实现https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/InnoDB%E5%AF%B9MVCC%E7%9A%84%E5%AE%9E%E7%8E%B0.md
一条 SQL 语句在 MySQL 中如何执行的https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/%E4%B8%80%E6%9D%A1sql%E8%AF%AD%E5%8F%A5%E5%9C%A8mysql%E4%B8%AD%E5%A6%82%E4%BD%95%E6%89%A7%E8%A1%8C%E7%9A%84.md
关于数据库中如何存储时间的一点思考https://github.com/helldzl/JavaGuide/blob/master/docs/database/mysql/%E5%85%B3%E4%BA%8E%E6%95%B0%E6%8D%AE%E5%BA%93%E5%AD%98%E5%82%A8%E6%97%B6%E9%97%B4%E7%9A%84%E4%B8%80%E7%82%B9%E6%80%9D%E8%80%83.md
https://github.com/helldzl/JavaGuide#redis
Redis 常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/database/Redis/redis-all.md
面试/工作必备！3种常用的缓存读写策略！https://github.com/helldzl/JavaGuide/blob/master/docs/database/Redis/3%E7%A7%8D%E5%B8%B8%E7%94%A8%E7%9A%84%E7%BC%93%E5%AD%98%E8%AF%BB%E5%86%99%E7%AD%96%E7%95%A5.md
https://github.com/helldzl/JavaGuide#搜索引擎
https://github.com/helldzl/JavaGuide#系统设计
https://github.com/helldzl/JavaGuide#系统设计必备基础
https://github.com/helldzl/JavaGuide#restful-api
RestFul API 简明教程https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/coding-way/RESTfulAPI%E7%AE%80%E6%98%8E%E6%95%99%E7%A8%8B.md
https://github.com/helldzl/JavaGuide#命名
Java 命名之道https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/naming.md
https://github.com/helldzl/JavaGuide#常用框架
《J2EE 基础知识》https://github.com/helldzl/JavaGuide/blob/master/docs/java/J2EE%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86.md
https://github.com/helldzl/JavaGuide#springspringboot-必看-1
Spring 常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98%E6%80%BB%E7%BB%93.md
SpringBoot 入门指南https://github.com/Snailclimb/springboot-guide
面试常问：“讲述一下 SpringBoot 自动装配原理？”https://www.cnblogs.com/javaguide/p/springboot-auto-config.html
Spring/Spring Boot 常用注解总结！安排！https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/framework/spring/SpringBoot+Spring%E5%B8%B8%E7%94%A8%E6%B3%A8%E8%A7%A3%E6%80%BB%E7%BB%93.md
Spring 事务总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E4%BA%8B%E5%8A%A1%E6%80%BB%E7%BB%93.md
Spring 中都用到了那些设计模式?https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/framework/spring/Spring-Design-Patterns.md
https://github.com/helldzl/JavaGuide#mybatis
MyBatis 常见面试题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/framework/mybatis/mybatis-interview.md
https://github.com/helldzl/JavaGuide#netty-必看-1
剖析面试最常见问题之 Netty（上）https://xiaozhuanlan.com/topic/4028536971
剖析面试最常见问题之 Netty（下）https://xiaozhuanlan.com/topic/3985146207
https://github.com/helldzl/JavaGuide#zookeeper
【入门】ZooKeeper 相关概念总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/zookeeper/zookeeper-intro.md
【进阶】ZooKeeper 相关概念总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/zookeeper/zookeeper-plus.md
【实战】ZooKeeper 实战https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/zookeeper/zookeeper-in-action.md
https://github.com/helldzl/JavaGuide#安全
https://github.com/helldzl/JavaGuide#认证授权
《认证授权基础》https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/authority-certification/basis-of-authority-certification.md
JWT 优缺点分析以及常见问题解决方案https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/authority-certification/JWT%E4%BC%98%E7%BC%BA%E7%82%B9%E5%88%86%E6%9E%90%E4%BB%A5%E5%8F%8A%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88.md
适合初学者入门 Spring Security With JWT 的 Demohttps://github.com/Snailclimb/spring-security-jwt-guide
SSO 单点登录看这篇就够了！https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/authority-certification/SSO%E5%8D%95%E7%82%B9%E7%99%BB%E5%BD%95%E7%9C%8B%E8%BF%99%E4%B8%80%E7%AF%87%E5%B0%B1%E5%A4%9F%E4%BA%86.md
https://github.com/helldzl/JavaGuide#数据脱敏
https://github.com/helldzl/JavaGuide#分布式
https://github.com/helldzl/JavaGuide#cap-理论
《CAP理论解读》https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/CAP%E7%90%86%E8%AE%BA.md
https://github.com/helldzl/JavaGuide#base-理论
《BASE理论解读》https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/BASE%E7%90%86%E8%AE%BA.md
https://github.com/helldzl/JavaGuide#paxos-算法和-raft-算法
https://github.com/helldzl/JavaGuide#rpc
Dubbo 常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/rpc/Dubbo.md
服务之间的调用为啥不直接用 HTTP 而用 RPC？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/rpc/%E6%9C%8D%E5%8A%A1%E4%B9%8B%E9%97%B4%E7%9A%84%E8%B0%83%E7%94%A8%E4%B8%BA%E5%95%A5%E4%B8%8D%E7%9B%B4%E6%8E%A5%E7%94%A8HTTP%E8%80%8C%E7%94%A8RPC.md
https://github.com/helldzl/JavaGuide#api-网关
为什么要网关？你知道有哪些常见的网关系统？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/api-gateway/%E4%B8%BA%E4%BB%80%E4%B9%88%E8%A6%81%E7%BD%91%E7%AB%99%E6%9C%89%E5%93%AA%E4%BA%9B%E5%B8%B8%E8%A7%81%E7%9A%84%E7%BD%91%E7%AB%99%E7%B3%BB%E7%BB%9F.md
如何设计一个亿级网关(API Gateway)？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/api-gateway/%E5%A6%82%E4%BD%95%E8%AE%BE%E8%AE%A1%E4%B8%80%E4%B8%AA%E4%BA%BF%E7%BA%A7%E7%BD%91%E5%85%B3.md
https://github.com/helldzl/JavaGuide#分布式-id
为什么要分布式 id ？分布式 id 生成方案有哪些？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/micro-service/%E5%88%86%E5%B8%83%E5%BC%8Fid%E7%94%9F%E6%88%90%E6%96%B9%E6%A1%88%E6%80%BB%E7%BB%93.md
https://github.com/helldzl/JavaGuide#分布式事务
https://github.com/helldzl/JavaGuide#微服务
大白话入门 Spring Cloudhttps://github.com/helldzl/JavaGuide/blob/master/docs/system-design/micro-service/spring-cloud.md
微服务/分布式大厂真实面试问题解答https://xiaozhuanlan.com/topic/2895047136
https://github.com/helldzl/JavaGuide#高并发
https://github.com/helldzl/JavaGuide#消息队列
消息队列常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/message-queue/message-queue.md
RabbitMQ 入门https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/message-queue/RabbitMQ%E5%85%A5%E9%97%A8%E7%9C%8B%E8%BF%99%E4%B8%80%E7%AF%87%E5%B0%B1%E5%A4%9F%E4%BA%86.md
RocketMQ 入门https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/message-queue/RocketMQ.md
RocketMQ 的几个简单问题与答案https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/message-queue/RocketMQ-Questions.md
Kafka 常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/distributed-system/message-queue/Kafka%E5%B8%B8%E8%A7%81%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
https://github.com/helldzl/JavaGuide#读写分离分库分表
读写分离&分库分表常见问题总结https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/%E8%AF%BB%E5%86%99%E5%88%86%E7%A6%BB&%E5%88%86%E5%BA%93%E5%88%86%E8%A1%A8.md
https://github.com/helldzl/JavaGuide#负载均衡
https://github.com/helldzl/JavaGuide#高可用
如何设计一个高可用系统？要考虑哪些地方？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/high-availability/%E5%A6%82%E4%BD%95%E8%AE%BE%E8%AE%A1%E4%B8%80%E4%B8%AA%E9%AB%98%E5%8F%AF%E7%94%A8%E7%B3%BB%E7%BB%9F%E8%A6%81%E8%80%83%E8%99%91%E5%93%AA%E4%BA%9B%E5%9C%B0%E6%96%B9.md
https://github.com/helldzl/JavaGuide#限流
限流算法有哪些？https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/high-availability/limit-request.md
https://github.com/helldzl/JavaGuide#降级
https://github.com/helldzl/JavaGuide#熔断
https://github.com/helldzl/JavaGuide#排队
https://github.com/helldzl/JavaGuide#集群
https://github.com/helldzl/JavaGuide#超时和重试机制
https://github.com/helldzl/JavaGuide#灾备设计
https://github.com/helldzl/JavaGuide#异地多活
四步构建异地多活https://mp.weixin.qq.com/s/hMD-IS__4JE5_nQhYPYSTg
《从零开始学架构》— 28 | 业务高可用的保障：异地多活架构http://gk.link/a/10pKZ
https://github.com/helldzl/JavaGuide#大型网站架构
8 张图读懂大型网站技术架构https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/website-architecture/8%20%E5%BC%A0%E5%9B%BE%E8%AF%BB%E6%87%82%E5%A4%A7%E5%9E%8B%E7%BD%91%E7%AB%99%E6%8A%80%E6%9C%AF%E6%9E%B6%E6%9E%84.md
关于大型网站系统架构你不得不懂的 10 个问题https://github.com/helldzl/JavaGuide/blob/master/docs/system-design/website-architecture/%E5%85%B3%E4%BA%8E%E5%A4%A7%E5%9E%8B%E7%BD%91%E7%AB%99%E7%B3%BB%E7%BB%9F%E6%9E%B6%E6%9E%84%E4%BD%A0%E4%B8%8D%E5%BE%97%E4%B8%8D%E6%87%82%E7%9A%8410%E4%B8%AA%E9%97%AE%E9%A2%98.md
https://github.com/helldzl/JavaGuide#工具
Git 入门https://github.com/helldzl/JavaGuide/blob/master/docs/tools/Git.md
Github小技巧https://github.com/helldzl/JavaGuide/blob/master/docs/tools/Github%E6%8A%80%E5%B7%A7.md
Docker 基本概念解读https://github.com/helldzl/JavaGuide/blob/master/docs/tools/Docker.md
Docker从入门到上手干事https://github.com/helldzl/JavaGuide/blob/master/docs/tools/Docker%E4%BB%8E%E5%85%A5%E9%97%A8%E5%88%B0%E5%AE%9E%E6%88%98.md
https://github.com/helldzl/JavaGuide#java-学习常见问题汇总
2021最新 Java 学习路线！凎！https://www.zhihu.com/question/56110328/answer/869069586
Java 培训四个月能学会吗？https://github.com/helldzl/JavaGuide/blob/master/docs/questions/java-training-4-month.md
新手学习 Java，有哪些 Java 相关的博客，专栏，和技术学习网站推荐？https://github.com/helldzl/JavaGuide/blob/master/docs/questions/java-learning-website-blog.md
Java 还是大数据，你需要了解这些东西！https://github.com/helldzl/JavaGuide/blob/master/docs/questions/java-big-data.md
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