Java面试题及答案整理汇总（2023最新版）

朴灿烈づ我的快乐病毒、 2023-09-24 17:58 64阅读 0赞

### 前言 ###

面试前还是很有必要针对性的刷一些题，很多朋友的实战能力很强，但是理论比较薄弱，面试前不做准备是很吃亏的。这里整理了很多面试常考的一些面试题，希望能帮助到你面试前的复习并且找到一个好的工作，也节省你在网上搜索资料的时间来学习。

### 第1-10期Java面试题整理 ###

[面试官：有了 for 循环 为什么还要 forEach ？][for _ _ forEach]

[面试官：jwt 是什么？java-jwt 呢？懵逼了。。。][jwt _java-jwt]

[面试官：谈谈为什么要限流，有哪些限流方案？][Link 1]

[面试官：HTTPS 是如何保证传输安全的？又被问了！][HTTPS]

[面试官：说说 WebSocket 和 Socket 及 Http 的区别？][WebSocket _ Socket _ Http]

[面试官：RocketMQ 如何保证消息不丢失，如何保证消息不被重复消费？][RocketMQ]

[面试官：ElasticSearch是什么？应用场景是什么？][ElasticSearch]

[面试官：说说Java并发运行中的一些安全问题][Java]

[面试官：你了解 QPS、TPS、RT、吞吐量 这些高并发性能指标吗？][QPS_TPS_RT_]

[面试官：集群高并发环境下如何保证分布式唯一全局ID生成？][ID]

### 第11-20期Java面试题整理 ###

[面试官：思考Tomcat 类加载器为什么要违背双亲委派模型？][Tomcat]

[面试官：Java8 lambda 表达式 forEach 如何提前终止？][Java8 lambda _ forEach]

[面试官：说一下SpringBoot的自动配置原理][SpringBoot]

[面试官：线程池灵魂8连问，你挡的住吗？][8]

[面试官：熟悉设计模式吗？谈谈简单工厂模式和策略模式的区别][Link 2]

[面试官：Kafka 为什么会丢消息？][Kafka]

[面试官：单核 CPU 支持 Java 多线程吗？为什么？被问懵了！][CPU _ Java]

[面试官：Java 序列化和反序列化为什么要实现 Serializable 接口？][Java _ Serializable]

[面试官：如何正确的停掉线程？][Link 3]

[面试官：线程池执行过程中遇到异常会发生什么，怎样处理？][Link 4]

### 第21-30期Java面试题整理 ###

[面试官: 美团外卖的分库分表怎么设计？][Link 5]

[面试官：MySQL 中 InnoDB 的索引结构以及使用 B+ 树实现索引的原因][MySQL _ InnoDB _ B_]

[面试官：JDK1.8 创建线程池有哪几种方式？][JDK1.8]

[面试官：说说Java线程的状态及转换][Java 1]

[面试官：Hash 碰撞是什么？如何解决？][Hash]

[面试官：说一下TCP和UDP协议的原理和区别？][TCP_UDP]

[面试官：线程池中线程抛了异常，该如何处理？][Link 6]

[面试官：什么是微服务 ？][Link 7]

[面试官：将 Bean 放入 Spring 容器中的方式有哪些 ？][Bean _ Spring _]

[面试官：当你的JVM 堆内存溢出后，其他线程是否可继续工作？][JVM]

### 第31-40期Java面试题整理 ###

[面试官：Java反射和new效率对比，差距有多大？][Java_new]

[面试官：谈谈过滤器和拦截器的区别？][Link 8]

[面试官：说一下Redis中有哪些阻塞点以及如何解决？][Redis]

[面试官：说一下加密后的数据如何进行模糊查询？][Link 9]

[面试官：电商库存扣减如何设计？如何防止超卖？][Link 10]

[面试官：MySQL分表后，如何做分页查询？][MySQL]

[面试官：select…for update会锁表还是锁行？][select_for update]

[面试官：ReadWriteLock读写之间互斥吗？][ReadWriteLock]

[面试官：线程池中多余的线程是如何回收的？][Link 11]

[面试官：说一下SSO 单点登录和 OAuth2.0 的区别][SSO _ OAuth2.0]

### 第41-50期Java面试题整理\] ###

[面试官：业务开发时，接口不能对外暴露怎么办？][Link 12]

[面试官：为什么不建议在 MySQL 中使用 UTF-8 ?][MySQL _ UTF-8]

[面试官：MySQL 上亿大表如何优化？][MySQL 1]

[面试官：你说说 Mysql 索引失效有哪些场景？][Mysql]

[面试官：Java 类加载过程是怎么样的？][Java 2]

[面试官：线程池执行的用户任务抛出异常会怎样？][Link 13]

[面试官：线上MySQL的自增id用尽怎么办？][MySQL_id]

[面试官：为什么HashMap 使用的时候指定容量？][HashMap]

[面试官：百万数据的导入导出解决方案，怎么设计？][Link 14]

[面试官：说一下海量请求下的接口并发解决方案][Link 15]

### 第51-60期Java面试题整理 ###

[面试官：说一下线程、线程锁与线程池 ！][Link 16]

[面试官：说说你了解的分布式 ID 生成方案][ID 1]

[面试题：接口幂等性是什么？如何设计？][Link 17]

[面试官：有一个 List 对象集合，如何优雅地返回给前端？][List]

[面试官：Spring @bean 和 @component 注解有什么区别？][Spring _bean _ _component]

[面试官：在 Java 中 new 一个对象的流程是怎样的？彻底被问懵了。。][Java _ new]

[面试官：说一下公司常用MySQL分库分表方案][MySQL 2]

[面试官：你知道 Java 中的回调机制吗？][Java 3]

[面试官：Spring 用到了哪些设计模式？][Spring]

[面试官：MyBatis批量插入的五种方式，哪种最强？][MyBatis]

### 第61-70期Java面试题整理 ###

[面试官：你怎么理解System.out.println() ？][System.out.println_]

[面试官：数据库日期类型字段，需要兼容不同数据库，应该如何选择？][Link 18]

[面试官：Java 对象不使用时，为什么要赋值 null ？][Java _ null]

[面试官：为什么生产环境中，建议禁用 Redis 的 keys 命令？][Redis _ keys]

[面试官：为什么大家都说 Java 反射慢，它到底慢在哪？][Java 4]

[面试官：你工作中做过 JVM 调优吗？怎么做的？][JVM 1]

[面试官：说说什么是本地缓存、分布式缓存以及多级缓存，它们各自的优缺点？][Link 19]

[面试官：什么是自旋锁？自旋的好处和后果是什么呢？][Link 20]

[面试题：说一下MyBatis动态代理原理？][MyBatis 1]

[面试官：说一下你对 OAuth2 协议原理的理解？][OAuth2]

### 第71-80期Java面试题整理 ###

[面试官：Spring 中获取 Bean 的方式有哪些？][Spring _ Bean]

[面试官：MySQL自增主键为什么不是连续的？][MySQL 3]

[面试官：什么是负载均衡？常见的负载均衡策略有哪些？][Link 21]

[面试官：Docker 有几种网络模式？很多5 年工作经验都答不上来。。][Docker _5]

[面试官：项目中如何解决跨域问题（HttpClient、注解、网关）][HttpClient]

[面试官：说说 Cookie、Session、Token、JWT？][Cookie_Session_Token_JWT]

[面试官：为什么要用多线程？公司项目中用到了哪些场景？][Link 22]

[面试官：为什么 wait/notify 必须与 synchronized 一起使用？？][wait_notify _ synchronized]

[面试官：MySQL为什么选择B+树作为索引结构][MySQL_B]

[面试官：千万量级数据中查询 10W 量级的数据有什么方案？][10W]

### 第81-90期Java面试题整理 ###

[面试官：为什么数据库连接池不采用 IO 多路复用？][IO]

[面试官：说一下Nginx静态压缩和代码压缩][Nginx]

[面试官：多线程事务怎么回滚？][Link 23]

[面试官：Java Switch 是如何支持 String 的，为什么不支持 long][Java Switch _ String _ long]

[面试官：公司规定所有接口都用 post 请求，这是为什么？][post]

[面试官：Redis的keys命令到底有多慢？][Redis_keys]

[面试官：为什么说MySQL单表行数不要超过2000w ？][MySQL_2000w]

[面试官：Java 内存泄漏了，怎么排查？][Java 5]

[面试官：Spring IOC 为什么能降低耦合？][Spring IOC]

[面试官：说说布隆过滤器与布谷鸟过滤器？应用场景？][Link 24]

### 第91-100期Java面试题整理 ###

[面试官：MySQL 日期时间类型怎么选？][MySQL 4]

[面试官：用户在浏览器输入 URL 回车后，会发生什么？][URL]

[面试官：Java有线程安全的set吗？][Java_set]

[面试官：HashMap 为什么不能一边遍历一遍删除][HashMap 1]

[面试官：Java 是如何实现线程间通信的？][Java 6]

[面试官：为啥索引可以让查询变快？][Link 25]

[面试官：ThreadLocal 搭配线程池时为什么会造成内存泄漏？][ThreadLocal]

[面试官：MySQL 中的 distinct 和 group by 哪个效率更高？][MySQL _ distinct _ group by]

[面试官：说说 @Configuration 和 @Component 的区别][_Configuration _ _Component]

[面试官：如何停止一个正在运行的线程？][Link 26]

### 总结 ###

所有的面试题目都不是一成不变的，面试题目只是给大家一个借鉴作用，最主要的是给自己增加知识的储备，有备无患。

特意整理出了有分类目录的Java面试题，方便大家平时复习和收藏。希望正在准备面试的朋友们能顺顺利利找到自己心仪的工作！！！

*  **Java基础面试题（一）**
 *  **Java 基础面试题（二）**
 *  **Java 多线程与并发编程**
 *  **JVM面试题**
 *  **MySQL面试题**
 *  **Spring面试题**
 *  **Spring Boot 面试题**
 *  **Spring Cloud面试题**
 *  **Redis 面试题**
 *  **MyBatis 面试题**
 *  **ZooKeeper 面试题**
 *  **Dubbo 面试题**
 *  **Elasticsearch 面试题**
 *  **kafka 面试题**
 *  **RabbitMQ 面试题**
 *  **Linux 面试题**
 *  **微服务面试题**

**这些Java面试题都整理打包好了→：[点击获取][Link 27]**

所有的面试题目都不是一成不变的，面试题目只是给大家一个借鉴作用，最主要的是给自己增加知识的储备，有备无患。

希望正在准备面试的朋友们能顺顺利利找到自己心仪的工作！！！

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[Link 6]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508497&idx=2&sn=e424932df6db7ac5b4c81153322e8b11&chksm=97183c1aa06fb50c01aae2ae5a13f2cfc220571cfd09d047c5fce3efb6d1ffba8b6eb848cc3f&scene=21#wechat_redirect
[Link 7]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508622&idx=2&sn=683bcad3adfef6239e7546205167f801&chksm=97183c85a06fb593bd37c6ca3eceafd9e3ad53776318d6960ce74f2469f2593298e40a902dd4&scene=21#wechat_redirect
[Bean _ Spring _]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508693&idx=2&sn=2acc4d0d377e50957aee120b0b4c9436&chksm=97183cdea06fb5c8a638837f2396751bb2e3411171083076d5f3133eeb2e89b4830bf98b666d&scene=21#wechat_redirect
[JVM]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508721&idx=2&sn=06ab8e73b7713c614d130d1211f12154&chksm=97183cfaa06fb5ec070fa081591dd296f0a616c01f96343344a45f5a5f0008c3e47f2f915f01&scene=21#wechat_redirect
[Java_new]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508905&idx=2&sn=4b2c423661195ff71e9b285ba20c549b&chksm=97183da2a06fb4b45b60e188ba9cf296f47e7710fa3799422d4a3e6e9c0f1d2475e508b93c22&scene=21#wechat_redirect
[Link 8]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508928&idx=2&sn=c9bbc75e4d5be8ea23edca7b4a3e70e1&chksm=97183dcba06fb4ddad9b9cf9ef9925febfeb8cfbed205792eea7830c924e1108ed61c149903e&scene=21#wechat_redirect
[Redis]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247508977&idx=2&sn=b621f8a424320285cad5aab37f244f92&chksm=97183dfaa06fb4ecea2cb611f97f64de1fc72a1fe9fb197d3e1493d07d6798b5edfa4726509a&scene=21#wechat_redirect
[Link 9]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247509334&idx=2&sn=2e3edebdf8f19f8876e2d4461efcfa09&chksm=97183b5da06fb24b04eeffc261910315bd5a71489a9ee53f7e8451de649d9e60ea5779d03c3a&scene=21#wechat_redirect
[Link 10]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247509336&idx=2&sn=2673a26283dd526fe063223019443b61&chksm=97183b53a06fb2450d2a4ebfd275e1d9420e9250bedf7c44d6468158ff26956354e23a83ce89&scene=21#wechat_redirect
[MySQL]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247509380&idx=2&sn=b2cd7f73f48459274cd1031d4b148c31&chksm=97183b8fa06fb29972ad397623c4f91ee3eab89499d50328809f4bd8f5625595ac56bb439012&scene=21#wechat_redirect
[select_for update]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247509719&idx=2&sn=291c45c54da5a134a42a66df2622d963&chksm=971838dca06fb1ca243b7b43382680ea24342af54e12284a2f91f43c736a8c48fd574ab842f2&scene=21#wechat_redirect
[ReadWriteLock]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247509923&idx=2&sn=60ed1e057abcd57cbd4c32c911de5c9f&chksm=971839a8a06fb0be4c7ebf9175947d28c1abc9aecf7b8a1824ee429a5c683ac48a01487f3a60&scene=21#wechat_redirect
[Link 11]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510247&idx=2&sn=6c36b6375bcf3801e638fb594466c6da&chksm=971836eca06fbffa813d4c26ff0a13d45bce724007bc1ae0ce122079e11ccb8b0244e9fa5562&scene=21#wechat_redirect
[SSO _ OAuth2.0]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510293&idx=2&sn=6f33620814b24c78dab79c65df66d759&chksm=9718371ea06fbe086038508aa6046f2d015120ca73703ef0524d926bbc9a29544bed789db5e2&scene=21#wechat_redirect
[Link 12]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510317&idx=2&sn=2f9202a4d321f10c033a2dc24e5d41c5&chksm=97183726a06fbe3052d3ba35509b16278ee79b4bdb711c5b536a103b1757769f68a1a72fac91&scene=21#wechat_redirect
[MySQL _ UTF-8]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510357&idx=2&sn=434249936f918f5ead6094203175bc32&chksm=9718375ea06fbe485a4c946c83b939efdb7f1cc6543e00edc212282f44d39de1b9178abd0290&scene=21#wechat_redirect
[MySQL 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510395&idx=2&sn=2dfe078cc5d0ae3ce5c1b13f191aa52d&chksm=97183770a06fbe66162c9152ef4a2cb3a393397d524d41c40bea0a7af653445dfd478f6308ab&scene=21#wechat_redirect
[Mysql]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510600&idx=2&sn=cc3fc1cd91f28d39768cd29c9cebe8d9&chksm=97183443a06fbd55f6f7f13e997adc40ebe864526ab710036f3529e837854d14a76b2c3ef35f&scene=21#wechat_redirect
[Java 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510655&idx=2&sn=7acf7095e1a8577a80ff69792abf6376&chksm=97183474a06fbd6294f72b2fa7453bdbe8c8a647357430bf916a19bf8965d7dea967a3ca88f4&scene=21#wechat_redirect
[Link 13]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510683&idx=2&sn=8a18f5c60a5065bec885596782c6322f&chksm=97183490a06fbd86b6e6a25ddd0fb4f7eef41bf9f1d609baa43310dc904d2ae38f0970dd64f5&scene=21#wechat_redirect
[MySQL_id]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510783&idx=2&sn=bb9554fc8d4b13af1961a3510ce1f770&chksm=971834f4a06fbde2a3903616ea39c848371626510e83e10f7c2bb89bcfbe07a280ac3ab21e18&scene=21#wechat_redirect
[HashMap]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510851&idx=2&sn=e64913b1708c5a5b9ceab4a137abb7af&chksm=97183548a06fbc5e342f6059da5374a861544adba432ee614c64e34592be1955acb23c498df9&scene=21#wechat_redirect
[Link 14]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247510898&idx=2&sn=0de08b0dcc7f15aa0cb2c8ccfff25996&chksm=97183579a06fbc6f1800e7ed9ad01b7fef50f33a6382a9aa714f4667d138726dfa4a803321b8&scene=21#wechat_redirect
[Link 15]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511042&idx=2&sn=938f6a9d8620d69f24873558972a3330&chksm=97183209a06fbb1fa7fdb03d35c46853b1e199c5b826d4b59e34f9855a603ae3785ae144b20f&scene=21#wechat_redirect
[Link 16]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511137&idx=2&sn=656d643ecbdf174972c01f75ce1a2860&chksm=9718326aa06fbb7ca6b34cf4ca5f2ecd0dda8d2d23035f88b4e17be5d65e76775cc3cfd29644&scene=21#wechat_redirect
[ID 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511278&idx=2&sn=031c5a40a9e432cbb89ca6d08d81f282&chksm=971832e5a06fbbf36dd01effaa1a063032fb695e54d762b0049455a372ff0b013b56c1ce923a&scene=21#wechat_redirect
[Link 17]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511308&idx=2&sn=e9f05aaa29128591412ae8c7ce056196&chksm=97183307a06fba11b06dbdb324c4d8b261069d4d19cf7d79a34e4ec76ff6d9763cc16e6ce2b8&scene=21#wechat_redirect
[List]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511384&idx=2&sn=8583dd18e72af2eeebbb6d305f812605&chksm=97183353a06fba458886b0d1ac02641bbdf9e701d1ac944195d600775e482923ec1304f70c21&scene=21#wechat_redirect
[Spring _bean _ _component]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511397&idx=2&sn=a5d2926e7a66c1efcb3617543231dc84&chksm=9718336ea06fba788973068f0815a486e99d322420b5711a009cc0ce214b1df52ea18ebd7f84&scene=21#wechat_redirect
[Java _ new]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511679&idx=2&sn=da1dfbfc1a9f513463102780393ac488&chksm=97183074a06fb962cc3275173cbe37b3ccd92adfa3b6814f54ce06c5e1863ffb2d4c5f1ffd0a&scene=21#wechat_redirect
[MySQL 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511733&idx=2&sn=7efddb8d6fef8fc0cd0b65ad98a6d029&chksm=971830bea06fb9a84d5924412d0b9ad511463e6e427d97a152e31024562fdc5b988b229059ac&scene=21#wechat_redirect
[Java 3]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511754&idx=2&sn=2fe38fc003e6f732083dcd7d7facdf8e&chksm=971830c1a06fb9d72c976952106399893faf6f2956400543ba8d51276d024f139d7b59346efb&scene=21#wechat_redirect
[Spring]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511885&idx=2&sn=b6e4a85d1787ef42ea59d7987f0ef32f&chksm=97183146a06fb85073366c6dceecaf7b5a85a3be8ff6257205b022393059141a777d8e0d7af7&scene=21#wechat_redirect
[MyBatis]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247511991&idx=2&sn=8207290b24ddb9019954f754d6256918&chksm=971831bca06fb8aad7579c0284c81a5de1e11a57ddae6f233cc8b3d5a7e7ef1823c203df200b&scene=21#wechat_redirect
[System.out.println_]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512104&idx=2&sn=eadd27fbfe745fe40c05517d1631f1eb&chksm=97182e23a06fa735476ec1ea98e52d716da9c818dd118c8ce9c4e88c4f5ce38c861c30ec4e57&scene=21#wechat_redirect
[Link 18]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512123&idx=2&sn=8294ec74b0c89a62c4e2d8d3affa0e5b&chksm=97182e30a06fa72646ebb6a059eaaa13146010ea8e893fabf77baa13b341ce0b08d2742411f2&scene=21#wechat_redirect
[Java _ null]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512147&idx=2&sn=f473c569b5ecb0ae12a5c0abc4b64e69&chksm=97182e58a06fa74ed93d4cdb3c7f8a2426a7a6adf0e2ccf70dc2a42e50e000e39965b8fdc4e6&scene=21#wechat_redirect
[Redis _ keys]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512190&idx=2&sn=5ccfabf7f331c4be98c3cfb82e9b84ba&chksm=97182e75a06fa763d708d8f6496b54f2dddc6a29063c51e6693eb29aa149fdaa7027d4a374bb&scene=21#wechat_redirect
[Java 4]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512257&idx=2&sn=a29ee671a7208b19a7b69ad5d353f858&chksm=97182ecaa06fa7dc7b026ba809686325a9f9a96d18b46eb91ad41650c64a8d35e0463768b9c5&scene=21#wechat_redirect
[JVM 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512320&idx=2&sn=dc9d1a566003a6b86ed27da610ad8e9a&chksm=97182f0ba06fa61dc2357464a2b039120f6675bdfebc65af58b1c606af2dc77af7b8330ece1b&scene=21#wechat_redirect
[Link 19]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512389&idx=2&sn=c8e8b07bcd7c59049fe9a6b99b6f9c7c&chksm=97182f4ea06fa6582484c02aa332e04c66008e3c742d0efe6efd052e277fd498cd327c1d8868&scene=21#wechat_redirect
[Link 20]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512609&idx=2&sn=3e7c428c6b7a8c3b9c561521596e6199&chksm=97182c2aa06fa53cea8df1de1cbf95b8705108555fb633b01f557681774833b145d1822a3b70&scene=21#wechat_redirect
[MyBatis 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512679&idx=2&sn=9f3d9a22b7e1298979eef30c17fe4873&chksm=97182c6ca06fa57ab7b291218fa849dc29a7689eec8f82d831841f0e8fc7512c08170497c814&scene=21#wechat_redirect
[OAuth2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512752&idx=2&sn=13030a4e2fd04dfaba08779654dda3e1&chksm=97182cbba06fa5ad293c5ee7dad8905b75d1a116fa84ee3c082f22812db4a3a442e2e9236dd4&scene=21#wechat_redirect
[Spring _ Bean]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512927&idx=2&sn=e0175f876493123b8a09f72289dd8e90&chksm=97182d54a06fa442a56b010238477b75717ab3064b4af64d7b50162a5bc02e658db42129231f&scene=21#wechat_redirect
[MySQL 3]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247512974&idx=2&sn=d9e3d448d59b1bd2cc678e14094abe56&chksm=97182d85a06fa493f5fee1004255a10dd22c95d3abf99234f33c353c14c5005b3c51b0be1fe9&scene=21#wechat_redirect
[Link 21]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513040&idx=2&sn=0d878836b48fec74a066dec0c258d731&chksm=97182ddba06fa4cdadbc6e7e8cb3839f406e86c0f97b8ab4162fffa20937e7bfef06e738cf9e&scene=21#wechat_redirect
[Docker _5]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513071&idx=2&sn=ff98384b02a71fac0833b072d484f63d&chksm=97182de4a06fa4f24c528f15bb1c3104ac43f5a3159a907fe8d834672cc07627500b3a0f3e33&scene=21#wechat_redirect
[HttpClient]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513106&idx=2&sn=065a6cdcfc378082beb45e02bc9a7afb&chksm=97182a19a06fa30f094130d16ea4901e88b0271e952c08096ef8139e76dc79dfa629db64e48c&scene=21#wechat_redirect
[Cookie_Session_Token_JWT]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513131&idx=2&sn=1960ce81cb2067452eb8a75ef1a9458b&chksm=97182a20a06fa336b5025954e98eb53e1439e6dfcf72769d39d13935eb374065ed051504bec7&scene=21#wechat_redirect
[Link 22]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513307&idx=2&sn=6e4e59b83e57cb5947bcd56626e71109&chksm=97182ad0a06fa3c6cc4fd774055febf8905ad9ba18d3d943962286da5ee8510bd40cbc455d27&scene=21#wechat_redirect
[wait_notify _ synchronized]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513324&idx=2&sn=521623da42f57c32bc9c44a353d71374&chksm=97182ae7a06fa3f11234b663f25e8477b71cc7330f5cec24a952f3b0193dd113ba5ce0f38e85&scene=21#wechat_redirect
[MySQL_B]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513354&idx=2&sn=bf22161d3fbf68fb7dde21d037beedc8&chksm=97182b01a06fa217ee40580e890cd654a4a4d0862dc3e468153d8f3e8f56c675f5f92124fd7a&scene=21#wechat_redirect
[10W]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513692&idx=2&sn=0d4ea854c2b544c281ceb98cf875898d&chksm=97182857a06fa1412b27544c7d107152a924ad648aed7e266859e8ea72468e1f6194bd3c2827&scene=21#wechat_redirect
[IO]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513740&idx=2&sn=8be0a4e8b910ca0877c79f4d46af9caf&chksm=97182887a06fa191ab8cc1a58669fe5f7624713648fb12ea89b1805d82c24244f30746bf7bb6&scene=21#wechat_redirect
[Nginx]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513786&idx=2&sn=16fbc01512d2dda8a21f98fc1da3d23d&chksm=971828b1a06fa1a7ce81e5f4c2a576df2aed21f6aeb576ff45c2060bc2c95b1eed51c5392a11&scene=21#wechat_redirect
[Link 23]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247513889&idx=2&sn=fa321f0ae274813c127bebac59fef067&chksm=9718292aa06fa03c84b0393cdc8b2e727c35f6b8002f73d4e0fb3e96e57486a05401fcb84705&scene=21#wechat_redirect
[Java Switch _ String _ long]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514054&idx=2&sn=e9fd190e0a1925ff817768375aa04ebf&chksm=971829cda06fa0db1af429aacfa4f9ac954e169fb61cdc9a9cb465f32367505a015c8dded5ed&scene=21#wechat_redirect
[post]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514353&idx=2&sn=d91fc2ca0e86ee7fc384e72667639a1a&chksm=971826faa06fafec56621b0271dbb3149edf105d98518a6c9838541771b9b69de84616d86cda&scene=21#wechat_redirect
[Redis_keys]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514396&idx=2&sn=79138fe55efc07606615397b33e7bf53&chksm=97182717a06fae0105904561e5dc7ea418743d82c6a5ddf425c3000c3cda4cace0b311f6a40c&scene=21#wechat_redirect
[MySQL_2000w]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514474&idx=2&sn=7527a326e1932ff8ffecf47e68cde86e&chksm=97182761a06fae77dafc931cae85d8b2289551d0fc8d9ea05dccddb3f048fcae2148ecade08a&scene=21#wechat_redirect
[Java 5]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514509&idx=2&sn=a4242dd8613600900c2bb4b984510ab7&chksm=97182786a06fae906fba454aa688971f56e2f45cad09dc9a5e734ce9177c490c944927c0b929&scene=21#wechat_redirect
[Spring IOC]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514537&idx=2&sn=2282997758896f802cddaf62ca6c5ceb&chksm=971827a2a06faeb47fdf4f4428402b2986f03c5fbada4718d67b79db20a53eff9855523843c7&scene=21#wechat_redirect
[Link 24]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514592&idx=2&sn=34fb97f5e76da64a875bc096a23bfe06&chksm=971827eba06faefd60fd4125330aabf632dbd1b2609858349e97ffe36b2e7c02b3275195e55a&scene=21#wechat_redirect
[MySQL 4]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247514727&idx=2&sn=6b112cb44c2466f9b6e865c8789ef04f&chksm=9718246ca06fad7aceb13d0ab5c8337f5974d6295dbae201795d40a46242252449cd67b1b717&scene=21#wechat_redirect
[URL]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515077&idx=2&sn=9d1612acad532c9788a58615c99afdba&chksm=971825cea06facd8cfe7ee7450b094397ac5df77a69d5b9253aad31b547689d8bd9a717108d9&scene=21#wechat_redirect
[Java_set]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515108&idx=2&sn=9806f98726b64377ffeec6df5a0da637&chksm=971825efa06facf961359801bfaf3082af1f17985fc447af0be3b038f82a60794173da57d668&scene=21#wechat_redirect
[HashMap 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515153&idx=2&sn=12c04e5373c83624cb22852c56efaadb&chksm=9718221aa06fab0cb4483c2114f0a91ff2869a793aeffd67e3b364bec953904ffbec92a16cb3&scene=21#wechat_redirect
[Java 6]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515173&idx=2&sn=efeb971a014518b49eeac325d58938a3&chksm=9718222ea06fab38c223d697161eef0079c557e597bc0b723650fc11b7a27e91db10aa5a3350&scene=21#wechat_redirect
[Link 25]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515282&idx=2&sn=1c2d3682ca5982466df97ebd89c6f620&chksm=97182299a06fab8fb333f445f576ac7d4805f1fefbdeb8beba8f1908c7126313918e457750c2&scene=21#wechat_redirect
[ThreadLocal]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515328&idx=2&sn=ac82ac99b4bbc6a443481280e3338126&chksm=971822cba06fabdddcec2472a99eea6128a2e5146b2b45b23ee3ab66e90168f625abadcf832b&scene=21#wechat_redirect
[MySQL _ distinct _ group by]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515567&idx=2&sn=2879a567043f6857015fb4c927b8b87a&chksm=971823a4a06faab2435fd754acf0a15e16e5d329a81ac3e01a5d55cab3b94c4bff70bb77b107&scene=21#wechat_redirect
[_Configuration _ _Component]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515592&idx=2&sn=9ceaed322221c1d98eb4a197df533764&chksm=971823c3a06faad5fa683302535897b6d1f43adc57967547ae3ce9ea2762b1a28021d858f5e3&scene=21#wechat_redirect
[Link 26]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515681&idx=2&sn=6f7b20ad34952d8e49b6f9e49382f5d7&chksm=9718202aa06fa93cfbae204216ba17b8821822dca64f642453a1d73dca2f5ea6552b4a5d87a5&scene=21#wechat_redirect
[Link 27]: https://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515699&idx=1&sn=bc6df9c194639e61064adaa128ba2d5d&chksm=97182038a06fa92ec564f291afdc2dc22b6e8d0ad466ce02e5c109602aba68c6f8eeb6c5ae52&token=1465415629&lang=zh_CN#rd