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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！ - GitHub - 12sdstudio/JavaGuide at master

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！ - GitHub - 12sdstudio/JavaGuide at master

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一文带你看遍 JDK9~15 的重要新特性！https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#小技巧
JAD 反编译https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/java/tips/locate-performance-problems/%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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#操作系统
操作系统常见问题总结！https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/operating-system/linux.md
Shell 编程入门https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/operating-system/Shell.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#网络
计算机网络常见面试题https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#数据结构
线性数据结构 :数组、链表、栈、队列https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%9B%BE.md
堆https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/data-structure/%E5%A0%86.md
树https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/data-structure/%E6%A0%91.md
红黑树https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/data-structure/%E7%BA%A2%E9%BB%91%E6%A0%91.md
布隆过滤器https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/cs-basics/data-structure/bloom-filter.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#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://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#数据库
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#mysql
数据库基础知识总结https://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/mysql%E7%9F%A5%E8%AF%86%E7%82%B9&%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
一千行 MySQL 学习笔记https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/a-thousand-lines-of-mysql-study-notes.md
MySQL 高性能优化规范建议https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md
MySQL数据库索引总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/mysql-index.md
事务隔离级别(图文详解)https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/transaction-isolation-level.md
MySQL三大日志(binlog、redo log和undo log)详解https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/mysql-logs.md
InnoDB存储引擎对MVCC的实现https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/innodb-implementation-of-mvcc.md
一条 SQL 语句在 MySQL 中如何被执行的?https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/how-sql-executed-in-mysql.md
字符集详解：为什么不建议在MySQL中使用 utf8 ？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/%E5%AD%97%E7%AC%A6%E9%9B%86.md
关于数据库中如何存储时间的一点思考https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/mysql/some-thoughts-on-database-storage-time.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#redis
Redis 常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/redis/redis-all.md
3种常用的缓存读写策略https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/database/redis/3-commonly-used-cache-read-and-write-strategies.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#搜索引擎
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#系统设计
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#系统设计必备基础
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#restful-api
RestFul API 简明教程https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/basis/RESTfulAPI.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#命名
Java 命名之道https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/naming.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#常用框架
《J2EE 基础知识》https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/J2EE%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#springspringboot-必看-1
Spring 常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/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
Spring/Spring Boot 常用注解总结！安排！https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/framework/spring/Spring&SpringBoot%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://patch-diff.githubusercontent.com/12sdstudio/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/framework/spring/Spring%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F%E6%80%BB%E7%BB%93.md
SpringBoot 自动装配原理？”https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/framework/spring/SpringBoot%E8%87%AA%E5%8A%A8%E8%A3%85%E9%85%8D%E5%8E%9F%E7%90%86.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#mybatis
MyBatis 常见面试题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/framework/mybatis/mybatis-interview.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#spring-cloud
大白话入门 Spring Cloudhttps://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/framework/springcloud/springcloud-intro.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#安全
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#认证授权
《认证授权基础》https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/security/basis-of-authority-certification.md
JWT 优缺点分析以及常见问题解决方案https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/security/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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/security/sso-intro.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#数据脱敏
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#定时任务
《Java定时任务大揭秘》https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/system-design/%E5%AE%9A%E6%97%B6%E4%BB%BB%E5%8A%A1.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#分布式
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#cap-理论和-base-理论
CAP 理论和 BASE 理论解读https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/%E7%90%86%E8%AE%BA&%E7%AE%97%E6%B3%95/cap&base%E7%90%86%E8%AE%BA.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#paxos-算法和-raft-算法
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#rpc
Dubbo 常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/rpc/dubbo.md
服务之间的调用为啥不直接用 HTTP 而用 RPC？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/rpc/why-use-rpc.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#api-网关
为什么要网关？你知道有哪些常见的网关系统？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/api-gateway.md
百亿规模API网关服务Shepherd的设计与实现https://tech.meituan.com/2021/05/20/shepherd-api-gateway.html
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#分布式-id
为什么要分布式 id ？分布式 id 生成方案有哪些？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/distributed-id.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#分布式事务
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#分布式协调
【入门】ZooKeeper 相关概念总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-intro.md
【进阶】ZooKeeper 相关概念总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-plus.md
【实战】ZooKeeper 实战https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/distributed-system/%E5%88%86%E5%B8%83%E5%BC%8F%E5%8D%8F%E8%B0%83/zookeeper/zookeeper-in-action.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#高性能
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#消息队列
消息队列常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/message-queue/message-queue.md
RabbitMQ 入门https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/message-queue/rabbitmq-intro.md
RocketMQ 入门https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/message-queue/rocketmq-intro
RocketMQ 的几个简单问题与答案https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/message-queue/rocketmq-questions.md
Kafka 常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/message-queue/kafka%E7%9F%A5%E8%AF%86%E7%82%B9&%E9%9D%A2%E8%AF%95%E9%A2%98%E6%80%BB%E7%BB%93.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#读写分离分库分表
读写分离&分库分表常见问题总结https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-performance/%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://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#负载均衡
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#高可用
如何设计一个高可用系统？要考虑哪些地方？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-availability/%E9%AB%98%E5%8F%AF%E7%94%A8%E7%B3%BB%E7%BB%9F%E8%AE%BE%E8%AE%A1.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#限流
何为限流？限流算法有哪些？https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/blob/master/docs/high-availability/limit-request.md
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#降级
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#熔断
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#排队
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#集群
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#超时和重试机制
https://patch-diff.githubusercontent.com/12sdstudio/JavaGuide/tree/master#灾备设计和异地多活
搞懂异地多活，看这篇就够了https://mp.weixin.qq.com/s/T6mMDdtTfBuIiEowCpqu6Q
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
javaguide.cn/https://javaguide.cn/
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