原始数据类型与字长

见附件文档。

流程控制语句

https://blog.csdn.net/zt15732625878/article/details/79200977

异常体系

https://blog.csdn.net/liuhenghui5201/article/details/18675391

https://www.jianshu.com/p/49d2c3975c56

泛型

https://segmentfault.com/a/1190000014120746

类/接口/枚举

https://www.cnblogs.com/dolphin0520/p/3811437.html

https://blog.csdn.net/javazejian/article/details/71333103

线程体系结构

https://segmentfault.com/a/1190000020686088

文件/流体系结构/NIO

https://blog.csdn.net/ydonghao2/article/details/82291005

https://blog.csdn.net/feather_wch/article/details/82665902

https://blog.csdn.net/forezp/article/details/88414741

正则表达式

https://mp.weixin.qq.com/s/X7QnWwzgi6SZ0cRgJBE9eQ

https://segmentfault.com/a/1190000009162306

GC原理

https://zhuanlan.zhihu.com/p/34461147

JDBC/SQL注入

https://juejin.im/post/5c75e6666fb9a049cd54dc88

https://www.cnblogs.com/Qian123/p/5339164.html

Java安全类库/安全管理器

https://www.zybuluo.com/changedi/note/417132

Stream/MapReduce

https://segmentfault.com/a/1190000018957701

https://segmentfault.com/a/1190000020005929

CPU架构

https://www.cnblogs.com/haichao/p/9011310.html

https://ifeve.com/java-context-switch/

https://www.zhulou.net/post/1135.html

Socket

https://www.cnblogs.com/yiwangzhibujian/p/7107785.html

https://juejin.im/post/5ad9dd61518825671c0e1d71

性能优化调优 

https://blog.csdn.net/weixin_42447959/article/details/81637909