2023最全Java面试题及答案汇总

深藏阁楼爱情的钟 2023-10-16 11:23 107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1-100期Java面试题整理][1-100_Java] ###

### 第101-110期Java面试题整理 ###

[面试官：为什么不建议用 equals 判断对象相等？][equals]

[面试官：为什么 MySQL 不推荐使用 join？][MySQL _ join]

[面试官：SpringBoot 如何自定义自己的条件注解与自动配置？][SpringBoot]

[面试官：重量级锁的8连问，你能接住几个？][8]

[面试官：偏向锁的十连问，你能接住几个？][Link 1]

[面试官：宕机了，Redis 如何避免数据丢失？][Redis]

[面试官：JVM 对锁都进行了哪些优化？][JVM]

[面试官：什么是脚手架？为什么需要脚手架？常用的脚手架有哪些？][Link 2]

[面试官：数据库 delete 表数据，磁盘空间还是被一直占用，为什么?][delete]

[面试官：Zabbix 和 Prometheus 到底怎么选？][Zabbix _ Prometheus]

### 第111-120期Java面试题整理 ###

[面试官：Redis和Mysql如何保证数据一致性？][Redis_Mysql]

[面试官：说一说多线程常见锁的策略][Link 3]

[面试官：使用 try-catch 捕获异常会影响性能吗？][try-catch]

[面试官：BIO、NIO、AIO 的区别是什么？][BIO_NIO_AIO]

[面试官：MySQL 自增主键一定是连续的吗？][MySQL]

[面试官：从 MySQL 读取 100w 数据进行处理，应该怎么做？][MySQL _ 100w]

[面试官：说一下Spring 中的 @Cacheable 缓存注解？][Spring _ _Cacheable]

[面试官：Kafka 为什么那么快？][Kafka]

[面试官：你如何理解 System.out.println()?][System.out.println]

[面试官：聊聊 SpringBoot 中的 SPI 机制][SpringBoot _ SPI]

### 第121-130期Java面试题整理 ###

[面试官：时候说 Spring 中事务的嵌套 ？][Spring _]

[面试官：说一下Java开启异步线程的几种方法？][Java]

[面试官：线程池的7种创建方式，你都清楚吗？][7]

[面试官: 每天100w次登陆请求, 8G 内存该如何设置JVM参数？][_100w_ 8G _JVM]

[面试官：一台服务器最大能支持多少条 TCP 连接？][TCP]

[面试官：Java的循环遍历，如何保证每个循环体都是单独的事务？][Java 1]

[面试官：说说对称加密、非对称加密、混合加密？][Link 4]

[面试官：Spring Boot 中如何统计代码执行耗时][Spring Boot]

[面试官：谈谈分布式一致性机制 ？][Link 5]

[面试官：说一下SpringBoot 启动流程][SpringBoot 1]

### 第131-140期Java面试题整理 ###

[面试官：怎么给详情页做性能优化的？][Link 6]

[面试官：PO、VO、BO、DTO、POJO 能分清吗？][PO_VO_BO_DTO_POJO]

[面试官：SELECT COUNT(\*) 会造成全表扫描吗 ？][SELECT COUNT_ _]

[面试官：什么是雪花算法？啥原理？][Link 7]

[面试官：MySQL误删表数据，如何快速恢复丢失的数据？][MySQL 1]

[面试官：进程与线程的关系和区别到底是什么？][Link 8]

[面试官：Spring Boot 停止服务的方法有哪些？][Spring Boot 1]

[面试官：String s = new String(“xyz”) 创建了几个对象？][String s _ new String_xyz_]

[面试官：为啥索引可以让查询变快？][Link 9]

[面试官：如何实现一个读写分离的中间件？][Link 10]

### 第141-150期Java面试题整理 ###

[面试官：说一说多线程常见锁的策略 ?][Link 11]

[面试官：说一下缓存穿透？缓存击穿？缓存雪崩？][Link 12]

[面试官：JVM 对锁都进行了哪些优化？][JVM 1]

[面试官：服务端如何防止订单重复支付 ？][Link 13]

[面试官：Nginx 的优化思路有哪些？网站的防盗链如何做？][Nginx]

[面试官：说一下API网关的作用？企业如何应用API网关?][API_API]

[面试官：你知道 Spring lazy-init 懒加载的原理吗？][Spring lazy-init]

[面试官：为什么要合并 HTTP 请求？有什么好处？][HTTP]

[面试官：谈一谈如何避免重复下单？][Link 14]

[面试官：Spring 注解 @After,@Around,@Before 的执行顺序是？][Spring _ _After_Around_Before]

### 第151-160期Java面试题整理 ###

[面试官：如何设计API返回码（错误码）？][API]

[面试官：微服务之间的数据依赖问题，该如何解决？][Link 15]

[面试官：RabbitMQ 有哪几种消息模式？][RabbitMQ]

[面试官：40亿个QQ号，限制1G内存，如何去重？][40_QQ_1G]

[面试官：Cookie 与 Session 是如何实现联动的？][Cookie _ Session]

[面试官：Linux服务器存在大量log日志，如何快速定位错误？][Linux_log]

[面试官：设计一个高流量高并发的系统，有哪些要点？][Link 16]

[面试官：SpringBoot项目怎么设计业务操作日志功能？][SpringBoot 2]

[面试官：简单说一下阻塞IO、非阻塞IO、IO复用的区别 ？][IO_IO_IO_]

[面试官：MySQL 单表数据最大不要超过多少行？为什么？][MySQL 2]

### 第161-170期Java面试题整理 ###

[面试官：说说Spring中@NotEmpty、@NotBlank、@NotNull 的区别和使用][Spring_NotEmpty_NotBlank_NotNull]

[面试官： Nginx 的优化思路有哪些？网站的防盗链如何做？][Nginx 1]

[面试官：为什么数据库连接池不采用 IO 多路复用？][IO]

[面试官：String s = new String(“xyz”) 创建了几个对象？][String s _ new String_xyz_ 1]

[面试官：说一下 MyBatis 的 3 种分页方式？][MyBatis _ 3]

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

[面试官：Spring 中的 Service 有多个实现类，怎么注入？][Spring _ Service]

[面试官：同一份数据，Redis为什么要存两次？][Redis 1]

[面试官：Redis 可以代替 MySQL 作为数据库吗？][Redis _ MySQL]

[面试官：Spring在多线程环境下如何确保事务一致性][Spring]

### 第171-180期Java面试题整理 ###

[面试官：说一下for 与 foreach 的区别 ？][for _ foreach _]

[面试官：微服务的4种部署策略，你都清楚吗？][4]

[面试官：Java 中如何使用枚举来消除 if/else ？][Java _ if_else]

[面试官：Arrays.asList() 隐藏的陷阱，你避开了吗？][Arrays.asList_]

[面试官：Java中Class.forName和ClassLoader到底有啥区别？][Java_Class.forName_ClassLoader]

[面试官：谈谈分布式系统中的补偿机制如何设计？][Link 17]

[面试官：说一下Spring Bean 实例化过程？][Spring Bean]

[面试官：Feign第一次调用为什么会很慢？][Feign]

[面试官：如何遍历 Redis 中的海量数据？][Redis 2]

[面试官：synchronized 到底能不能禁止指令重排序？][synchronized]

### 第181-200期Java面试题整理 ###

[面试官：为什么 MySQL 不推荐使用 join？][MySQL _ join 1]

[面试官：为什么MySQL不建议使用NULL作为列默认值？][MySQL_NULL]

[面试官：SpringBoot 最大连接数及最大并发数是多少？][SpringBoot 3]

[面试官：Tomcat 为什么要破坏 Java 双亲委派机制？][Tomcat _ Java]

[面试官：100万条数据查询，不能用分页，该怎么优化？][100]

[面试官：Redis 分布式锁存在什么问题 ？如何解决 ？][Redis _ _]

[面试官：SpringBoot 在打包部署的时候打包成 jar 和 war 有什么不同?][SpringBoot _ jar _ war]

[面试官：如何设计出健壮的秒杀系统？][Link 18]

[面试官：为什么 list.sort() 比 stream().sorted() 要更快？][list.sort_ _ stream_.sorted_]

[面试官：post为什么会发送两次请求？][post]

[面试官：如何使用 Redis，打造一款 Feed 流系统？][Redis_ Feed]

[面试官：你天天用 Stream，那你知道 Stream 的实现原理吗？][Stream_ Stream]

### 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→：[点击下载][Link 19]**

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！！！

[1-100_Java]: https://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515699&idx=1&sn=bc6df9c194639e61064adaa128ba2d5d&chksm=97182038a06fa92ec564f291afdc2dc22b6e8d0ad466ce02e5c109602aba68c6f8eeb6c5ae52&scene=21#wechat_redirect
[equals]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516306&idx=2&sn=f423e972e921c396b111425f25e9d32b&chksm=97181e99a06f978f2e864a693761bfcd6bc93e05635df93e7df112996c38c675440bf31b3c70&scene=21#wechat_redirect
[MySQL _ join]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516242&idx=2&sn=976b6868faf1992c3a989a0ea0f207d4&chksm=97181e59a06f974f03182d8aa18e14c09b742e76b164349e85a8464eb35d4c649c18e0860561&scene=21#wechat_redirect
[SpringBoot]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516153&idx=2&sn=d87c9fc2df88ca3e3bd772e4b55f5fb1&chksm=971821f2a06fa8e429754ca5b37d20ff4f387085227faf23460fdb5c30bd9ab0b595e8d2340d&scene=21#wechat_redirect
[8]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516094&idx=2&sn=ddb5c271d16a85526fd2ea220b375e3c&chksm=971821b5a06fa8a33c67fbb7e29b4ef9e105fe5aafcad52a320d62989192d8a24211cf675f19&scene=21#wechat_redirect
[Link 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516120&idx=2&sn=b164c4071631ea14f560db6b80279346&chksm=971821d3a06fa8c510f48fbb3cc93be7503c43be78c780965f474cf0833de659e132e7a734a3&scene=21#wechat_redirect
[Redis]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516022&idx=2&sn=dccdfa1e9f3bf4481f544dd48f8c0829&chksm=9718217da06fa86b7c0dff66b1947654cca04af2d09f4b8048d7165697aa34e02fda230b3d6f&scene=21#wechat_redirect
[JVM]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515939&idx=2&sn=28ccaa05040ebf7ea0aa42286c62c925&chksm=97182128a06fa83e7707e1f4f2dfcd2ccaecadee3dc43831f41d0ac4742bda5a7d93264dd40a&scene=21#wechat_redirect
[Link 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515913&idx=2&sn=0f3fafff1a74e1c4419016b6a0590e7c&chksm=97182102a06fa814dd5c87b3d7a80071a315978d9c95784bb7d1a4adaff35698064564d287a7&scene=21#wechat_redirect
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[Zabbix _ Prometheus]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247515786&idx=2&sn=0e52ded384c086f03a55258ee405c053&chksm=97182081a06fa997173c7e9a709b87b7984d17131135a84b23c5aa2277bf0bbefb997ecb20e6&scene=21#wechat_redirect
[Redis_Mysql]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516426&idx=2&sn=b86bbd3acb8fbe095a5d08de9bcdcb71&chksm=97181f01a06f96178395faafb2b22a7136bb14e00c2b0f67df30836fa9bb00d630781d4cd6fc&scene=21#wechat_redirect
[Link 3]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516541&idx=2&sn=18b0043e3cb7399563fb67890af30c6d&chksm=97181f76a06f966039a4bb7b0f33b24a7fd9934a0d765af77414cfed3b3cb71b3651d93e48ce&scene=21#wechat_redirect
[try-catch]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516635&idx=2&sn=75fe1eece10ef31b2d5669f481c55c9d&chksm=97181fd0a06f96c6bd093d32bfc6b61309413ae6abf8545ef5fb3f8d8a49da59b4161bdfd1c6&scene=21#wechat_redirect
[BIO_NIO_AIO]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247516773&idx=2&sn=c5ee57b13fb5edc45e863883e8b46136&chksm=97181c6ea06f95788682213619811b54e8e08f605601ce8012050b66426779ea7562801fc5cd&scene=21#wechat_redirect
[MySQL]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517043&idx=2&sn=6708c44c3f05e99c14e2b27cc78a650f&chksm=97181d78a06f946e84b71f01528d953398e119de4ff9111f1f9caaa1e8bf8be4d1aba67ea9ef&scene=21#wechat_redirect
[MySQL _ 100w]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517205&idx=2&sn=f19fd8c9be890cbbf7ade6b676587099&chksm=97181a1ea06f9308cb87108d5e8e48c86eeb9858760054e7c34dff0ceec67c29df7aed9091c0&scene=21#wechat_redirect
[Spring _ _Cacheable]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517281&idx=2&sn=916553630d330b9fac6f5c4fc4fc112a&chksm=97181a6aa06f937c74102d263d5a6929dcbf96bdf4d6a886755d04df1c9fb2ec2281fa34b573&scene=21#wechat_redirect
[Kafka]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517345&idx=2&sn=3c9c58647a399257bb61a937ee93e594&chksm=97181aaaa06f93bcaef02652a8586d8443a02a5cc2398f0beadd827f3ef3a81278b58372e7ea&scene=21#wechat_redirect
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[Spring _]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517583&idx=2&sn=99ed0305401f0be9f45edb74023beca5&chksm=97181b84a06f929294de032400025246b0ae5ee0fdaa407dab77927f17049de2be921c3ee198&scene=21#wechat_redirect
[Java]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517772&idx=2&sn=ee0aae515d30b9754d63a0590614c196&chksm=97181847a06f9151c1af56c1337f4450d7b7421b2c599d7e0805be57b9b5500d488c32897a28&scene=21#wechat_redirect
[7]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247517843&idx=2&sn=8edf5edeeb5cc1ca0b3ba9123a1f1abe&chksm=97181898a06f918e55887ea56606ebc99717dfa212320011d4417cd28c990602bcc51a21effd&scene=21#wechat_redirect
[_100w_ 8G _JVM]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518067&idx=2&sn=179fa6f97c45afc2b27e112c9544189e&chksm=97181978a06f906e17abf6ce2d45dd2d328e3db7c818e5537d31247e98795ba5a7026c92eb52&scene=21#wechat_redirect
[TCP]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518176&idx=2&sn=875afb3f05aab3e5d373c301e6e0d462&chksm=971819eba06f90fd930cfd25f56ac470e510b2c0dd2e068309bf8479c33dfc6477a4b7fb4155&scene=21#wechat_redirect
[Java 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518232&idx=2&sn=533b91a4bb9ea0cae578975d100ac850&chksm=97181613a06f9f05cfca068cf505aba2c965df41cf2c982d46694914cf88d2b7edafe1706575&scene=21#wechat_redirect
[Link 4]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518295&idx=2&sn=64915b82076f273f1eb9cf43c1ea67f1&chksm=9718165ca06f9f4a46cf2574ca8582d536213876b504e52b260f13ef404b16656d63390b0b64&scene=21#wechat_redirect
[Spring Boot]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518443&idx=2&sn=92acdf28385e7b0770482dad42f17f94&chksm=971816e0a06f9ff6deb83500dbe16bba70839e1fee1499102eac78ff323c35ae1a009f877c68&scene=21#wechat_redirect
[Link 5]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518357&idx=2&sn=b457d0d1e4f50da37d885032dafcfb4e&chksm=9718169ea06f9f889bd8f92a905449e5da71ad2ac0b73bebf3fb7456fe909ef8b321082922c0&scene=21#wechat_redirect
[SpringBoot 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518484&idx=2&sn=cf46122fdf00a84acc635ae5ca0199f6&chksm=9718171fa06f9e09063232a4729efff1ff2b3841dca5b3f3dba8955ae09fc1369a38fffa47ea&scene=21#wechat_redirect
[Link 6]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518535&idx=2&sn=fb5eff9b9bdd8cc75d99160837812ab0&chksm=9718174ca06f9e5ad5a57fb5af4a65f4024158fd5b80969d3241bc56019e5046d77ea0dfa95b&scene=21#wechat_redirect
[PO_VO_BO_DTO_POJO]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518618&idx=2&sn=3e28b8050f25c9f5c57b063607760031&chksm=97181791a06f9e8717df80da173681e9b37fdae86ec4c9c0fda89703fb9f9b765a9ef4ba447c&scene=21#wechat_redirect
[SELECT COUNT_ _]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518638&idx=2&sn=e73c29a6d9b598e289a5476df34df23e&chksm=971817a5a06f9eb341289213b632c765e282b1c6a2e55933bb33a49d7091497733c599786ccd&scene=21#wechat_redirect
[Link 7]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518757&idx=2&sn=79e638739e6781d3f0529f0cce4384b0&chksm=9718142ea06f9d387e9344de977b68c336683bb7960cf6326b104cef82ee797c392e5f3afa94&scene=21#wechat_redirect
[MySQL 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518858&idx=2&sn=80e7621a5d5c0063bf6ba861f092a019&chksm=97181481a06f9d97b7ef30a65f3cd6f820ca1f18915f31861c921c122e6a6bdd5721d54b39a4&scene=21#wechat_redirect
[Link 8]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518901&idx=2&sn=5ccbe35db324c652279536683bb8a3ae&chksm=971814bea06f9da8e91550fa19ae5ac9677ef500185f1ee02426c580c1ecccafc8ebd240389a&scene=21#wechat_redirect
[Spring Boot 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518943&idx=2&sn=ccf931be7c07c5bcc1ae6094bfc2a417&chksm=971814d4a06f9dc235646a31803eaa8121bd3becbc561e0255665f69630231677b9dd65b568a&scene=21#wechat_redirect
[String s _ new String_xyz_]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247518981&idx=2&sn=1c3f71559cfb194eecdb852835addd33&chksm=9718150ea06f9c18dc29328b464ecc4d3faac87ddc6b3505583a90dc2acc31c7eb4ff364978d&scene=21#wechat_redirect
[Link 9]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519071&idx=2&sn=2c328239586827aed38d37da3254998b&chksm=97181554a06f9c42303ff5d8c7405110167dd66971f97f6ae8110210134411a38e3f050ed6b9&scene=21#wechat_redirect
[Link 10]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519109&idx=2&sn=0984d2a947effebf20b7f29178c2d706&chksm=9718158ea06f9c987ec93ab1ced80568b86e7bb5d42f946e45f20120e428b683f932423b0a64&scene=21#wechat_redirect
[Link 11]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519131&idx=2&sn=7b232843eadcc2b348468e0576b5c791&chksm=97181590a06f9c86ee78e83919d0af8c4a7a8d7029a0312f013f0b1ab102e85df8a8644c232b&scene=21#wechat_redirect
[Link 12]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519181&idx=2&sn=18e44298638cd8b8967a6ad294b46d61&chksm=971815c6a06f9cd03836ac824ad30206a063daf5c9e90621b690637fba82622efb3e2c701cdb&scene=21#wechat_redirect
[JVM 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519279&idx=2&sn=736ec1e768397f4d6431c75609f2cecd&chksm=97181224a06f9b322ab873c5853029b47d39d3dde635841aa74f12882c4db9c5b965673cbe86&scene=21#wechat_redirect
[Link 13]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519334&idx=2&sn=237a5f0c9a1d12f0361155ea02360eeb&chksm=9718126da06f9b7ba6e72b7023245568115f648b3d059e3c0ee4b908eee7c93908c6a6dad104&scene=21#wechat_redirect
[Nginx]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519400&idx=2&sn=09b1108324861430bba4fbe0f7671577&chksm=971812a3a06f9bb5916203d266c2bb7ba9f509cb671ccddf24d558e5d3d7b2c038cf38281c09&scene=21#wechat_redirect
[API_API]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519636&idx=2&sn=f0a2af028e16cc2a11df20b52e9c2c07&chksm=9718139fa06f9a89e179b41b6dfe9daf34543683cdaf2a8e501bd1e3e718a93d373120f632b1&scene=21#wechat_redirect
[Spring lazy-init]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519656&idx=2&sn=21a33a8951650230fbc6bb482df4300f&chksm=971813a3a06f9ab5ffa91e191a9e5594923aab581c1b88808f45fcecdaaa6d89182a94eeeb91&scene=21#wechat_redirect
[HTTP]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519792&idx=2&sn=1a92497a81c9749b7daf17719dd619f5&chksm=9718103ba06f992d244fee0f82cdb6299f7e4f6eb22a76821f93001c476b5ee2d2542d281b50&scene=21#wechat_redirect
[Link 14]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519843&idx=2&sn=c4fa16e7bb159a394f1e68e0503ed7b9&chksm=97181068a06f997eafd7e789005d5b36cee6a2b48f4c547af5919f41a72c75c8f9d9898ea7b6&scene=21#wechat_redirect
[Spring _ _After_Around_Before]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247519888&idx=2&sn=002b4a4928531a2e1afe32534edd1e8b&chksm=9718109ba06f998d97643b5b5f5f5da8a77449f07e4702236cc4a72aa9e949d8f04790ab0072&scene=21#wechat_redirect
[API]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247520330&idx=2&sn=326e0109fdca8bf67024c6b649f2b4f2&chksm=97180e41a06f875723466ef791c114d251e703b0b337eb0c78b4fd7315b48dada3184ee05b07&scene=21#wechat_redirect
[Link 15]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247520669&idx=2&sn=c88121c9ea69082104a0d14cea5a13c2&chksm=97180f96a06f8680980ad12ce4a801ee632373c273b5c58cead3c69f629c279a1ce4e921a2cd&scene=21#wechat_redirect
[RabbitMQ]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521135&idx=2&sn=fcb62fb88552dfa6ef25c267314238d3&chksm=97180d64a06f8472435429dd21e0b7b504a94862a8f87412d40557489a5da63dd74918030f5b&scene=21#wechat_redirect
[40_QQ_1G]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521211&idx=2&sn=9fb47273c751d8cf67d6a6ae185d31ed&chksm=97180db0a06f84a61fa9ed5a115d0386c1105d38141230555d615f72b476cce3882568fb380b&scene=21#wechat_redirect
[Cookie _ Session]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521292&idx=2&sn=12fed1f0f6f4a8c7fe9386e303160b4a&chksm=97180a07a06f83113a6207f96d35a34e4ba1eda5a115a9088ba4084dd63f81fd2ce61d3d9742&scene=21#wechat_redirect
[Linux_log]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521523&idx=2&sn=558912478d5a3de2f8d623508c3b28a0&chksm=97180af8a06f83eeab0d377556d7d9a0aef45078c31f9fc9a5977091ad47e03e4d097afa8e9d&scene=21#wechat_redirect
[Link 16]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521573&idx=2&sn=61d876bdc644c9b24a9dc20eff19b5ee&chksm=97180b2ea06f8238f74c16990400dcce6603e880c04ce2d335204ae6d826e6a2befb797d815b&scene=21#wechat_redirect
[SpringBoot 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521647&idx=2&sn=319d017421bcbea21c4ebd59ff4b5a4d&chksm=97180b64a06f8272ae51e857de1a39c2506971a5f3a50356ffb6e7452f9b7093c7962640a380&scene=21#wechat_redirect
[IO_IO_IO_]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521648&idx=2&sn=ec5e192b68534e88ae15b5010c6255a5&chksm=97180b7ba06f826d0afb229d65dff72ed44b4381ed023e56d8cc5bd5dd13f99adb5f9e0ad8ef&scene=21#wechat_redirect
[MySQL 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247521888&idx=2&sn=d6d2ba7f09f189bb3b8592c3a14dd265&chksm=9718086ba06f817d4b486f5bc611dd38877de219f775a1f6d54ad85aaf6b029c35ceb66fb82e&scene=21#wechat_redirect
[Spring_NotEmpty_NotBlank_NotNull]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247522481&idx=2&sn=5e35acae0824ee552143392bccab8c66&chksm=971806baa06f8fac0d9f5ddbd0bfd254bc7edf9128eb38cb5e7b960ee8afb25085468b7cbe9e&scene=21#wechat_redirect
[Nginx 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247522810&idx=2&sn=20aae6e5bae2da7e3aa29940b845f2a8&chksm=971807f1a06f8ee7c126ce971aff1da7e6dba681221138d6da7c57a7be25ebb53f2f51a3b2d2&scene=21#wechat_redirect
[IO]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523236&idx=2&sn=26748097648454ef0d45266dbc35ce81&chksm=971805afa06f8cb9b1786d1fe802b20a98862883bd8ee57c3f004aa6aa941e653a0ec27ee9bb&scene=21#wechat_redirect
[String s _ new String_xyz_ 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523419&idx=2&sn=4480001d620bd8647e97db5b581594f0&chksm=97180250a06f8b46eb26c22f4ba2e932cfce589dde2ffed5851c77c20774c6c87da77a284837&scene=21#wechat_redirect
[MyBatis _ 3]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523475&idx=2&sn=877a21e891fc3999c454f4a543971ac3&chksm=97180298a06f8b8ef9c72de7b48420e50e4db24bfddc8e6b2c4e606dabe7d9dc56893a11cf4d&scene=21#wechat_redirect
[select_for update]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523624&idx=2&sn=25bff2caa63b4a640f81c9f777a22887&chksm=97180323a06f8a35414fbbb6cfe8c0b33b7b5bb940b2111b6677c1de06e9b65c6313330e9ff3&scene=21#wechat_redirect
[Spring _ Service]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523806&idx=2&sn=52209232e7dc43345374d323f2da7990&chksm=971803d5a06f8ac31d37f54b2a244b3785c30ab210e444453c8418ee1c84a2b5fbf99c649647&scene=21#wechat_redirect
[Redis 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523847&idx=2&sn=6d827dfdfed2aac46d6d0997632c7210&chksm=9718000ca06f891a00b220d298311a843041de6c760fa7c7bee36b4784d8b82b144702dbb6a3&scene=21#wechat_redirect
[Redis _ MySQL]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523887&idx=2&sn=25d1ce5c039d6dfa31bc11a9ccc01faa&chksm=97180024a06f893272db5bf1d73fa9bf67a3c3ee0855a2d5a14137e4a31d140ce241e3fe0822&scene=21#wechat_redirect
[Spring]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523928&idx=2&sn=6108fc20f8981db55b37280b001598c8&chksm=97180053a06f8945bc73c4f31b46514f296c20e1ff65cc9ba60d43a5127ad52f69cdd0699615&scene=21#wechat_redirect
[for _ foreach _]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247523966&idx=2&sn=c88c66be20902781f2e01760d17c1fc3&chksm=97180075a06f8963149991c0a942465c3c40a6ed870b070b2ab963af6c304d97bd53aeb34a3f&scene=21#wechat_redirect
[4]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524057&idx=2&sn=c6a5aa88b8a87c91fdf032162e95173c&chksm=971800d2a06f89c441bb838df8d64b507d976f7dec7647183fc00b28b7cccba0a252044a9c29&scene=21#wechat_redirect
[Java _ if_else]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524092&idx=2&sn=6ebcda89e084f7bd1e12df1987b59c45&chksm=971800f7a06f89e15fcbeb66cfe1e17c58829c8590148d27c2e6651c608a0934c87ced93d1de&scene=21#wechat_redirect
[Arrays.asList_]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524102&idx=2&sn=77a16324e6cd2e48856b31c5de63fcc7&chksm=9718010da06f881bc3e358894c0edbe397b94e598214e9abdf95bbf2762db8ea081879960e52&scene=21#wechat_redirect
[Java_Class.forName_ClassLoader]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524138&idx=2&sn=746f371f68a513c11ce551ca4ccc1b20&chksm=97180121a06f88377feef158342e8945b257c96c4641566f300e28cab6ad3a25f4e6e7d02d26&scene=21#wechat_redirect
[Link 17]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524184&idx=2&sn=be26a1f5212d5f608902cefcaae9ead4&chksm=97180153a06f8845074f1cef351192a2c9af7254c2358512a875894eac1dcc4a8e123ed94131&scene=21#wechat_redirect
[Spring Bean]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524267&idx=2&sn=2296f9c83f87c7fc4aef62bc0909beb9&chksm=971801a0a06f88b6e5b653139b5649c3191bf2771e64c35ff82becb69dcc62bd8dfd615c6f3e&scene=21#wechat_redirect
[Feign]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524535&idx=2&sn=457c6b39a6b4689725db4825fb22adae&chksm=9718febca06f77aa990b6a8fb4e76ec0a94f225032b09aca24019b30af084c293622704ff4f8&scene=21#wechat_redirect
[Redis 2]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524715&idx=2&sn=61082641f8155b214cefa61b501d1b24&chksm=9718ff60a06f7676aa63e1c7bb0942e31e67c27e7437de1ecab5b7f2e38f9bb41b23ec977726&scene=21#wechat_redirect
[synchronized]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524833&idx=2&sn=c866183988319a273fe67e9a7bd9b911&chksm=9718ffeaa06f76fc8f446c0beb659e813b10a54b4549963c200bdb5d5a423edd4309fd8c5aff&scene=21#wechat_redirect
[MySQL _ join 1]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524837&idx=2&sn=a14467802895e1497ab106bfb9aef86e&chksm=9718ffeea06f76f8f6c3047e405dfea5918cc708ba820feebe8698077f77ed5dc08248818fac&scene=21#wechat_redirect
[MySQL_NULL]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247524843&idx=2&sn=3aca0c5b5aa27a0bd40fdfe429d96874&chksm=9718ffe0a06f76f60692e15b83ac0d0b427eee0f453a36902df3e35763651455526f34767298&scene=21#wechat_redirect
[SpringBoot 3]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525014&idx=2&sn=a44d5eeaf28a5cefb6d8ac9ab44de9dc&chksm=9718fc9da06f758b448834bb297873003b684e895c8cf5791512127951c6b7126360e05215e3&scene=21#wechat_redirect
[Tomcat _ Java]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525068&idx=2&sn=9971b296e048b0383433a9a1983a3850&chksm=9718fcc7a06f75d1809431c7b0e18e22791b72fcf0bfc3409209dff9b27e10dbc10a66ff6a8f&scene=21#wechat_redirect
[100]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525251&idx=2&sn=d93f154944c95ce762caab53a29bca4d&chksm=9718fd88a06f749e1a30e6a1959ebbda606676da38c28b8b0729c33b0031d6f83eb402b41c78&scene=21#wechat_redirect
[Redis _ _]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525269&idx=2&sn=368f03f260da8d342da11d9774d4b25f&chksm=9718fd9ea06f7488800625a2aac7fd5c651bb218fb38b7181178bddf22c1ed88abd68d2ee34b&scene=21#wechat_redirect
[SpringBoot _ jar _ war]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525293&idx=2&sn=6ad74f7ad43ee1c2e21daa5b8f85f353&chksm=9718fda6a06f74b02d4eb5a93f97face82fa3094ec5ae1bd0edb059a7da8c7d0360697e5d0df&scene=21#wechat_redirect
[Link 18]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525475&idx=2&sn=9e8ac632854332d9a654009ae2dfae84&chksm=9718fa68a06f737e13597f067b4c71b2b494dfe5865eceb5b6305443914e3a150b37a608ee19&scene=21#wechat_redirect
[list.sort_ _ stream_.sorted_]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525513&idx=2&sn=a91c94a8a113965dcbbd8e2efa15c5fe&chksm=9718fa82a06f7394f3bd523d316a419d3fe80e133607e2383ec8cb8b259a9ce1b3b4e9850392&scene=21#wechat_redirect
[post]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525769&idx=2&sn=9a665960802fa7b70b610fdecbd823b7&chksm=9718fb82a06f7294fa58d45401ed0e8650c1a09c9414d06d9c61c9b6327d59a4e21deb5c10bc&scene=21#wechat_redirect
[Redis_ Feed]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525777&idx=2&sn=c2f4f42734755a5d2618b3dceaa68aa3&chksm=9718fb9aa06f728c44d5b448072b9986ac2375e9ad5d02fed0b51c113b7a8e674da568c68936&scene=21#wechat_redirect
[Stream_ Stream]: http://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525797&idx=2&sn=8f4703824b0ecb092fe2a5529c7cb6b7&chksm=9718fbaea06f72b89bd45e12da8830a633bd6ae1ce754e13a81975be1d6dcffce2463359b258&scene=21#wechat_redirect
[Link 19]: https://mp.weixin.qq.com/s?__biz=MzIwNjg4MzY4NA==&mid=2247525835&idx=2&sn=1870f6c645d658f48a0d6bd906dd7426&chksm=9718fbc0a06f72d6e56903dbff2b6b63a03c0eea37914cd1cb39614cc4f671e5f9d56827c7ca&token=106338357&lang=zh_CN#rd