(1)讲讲HashMap的底层实现原理。https://www.cnblogs.com/skywang12345/p/3310835.html
(2)Java 集合系列04之 fail-fast总结(通过ArrayList来说明fail-fast的原理、解决办法) https://www.cnblogs.com/skywang12345/p/3308762.html
(3)悲观锁和乐观锁 https://www.cnblogs.com/qjjazry/p/6581568.html https://blog.csdn.net/qq_34337272/article/details/81072874
(4)数据库中 事务的四大特性(ACID),事务的隔离级别 https://blog.csdn.net/zh521zh/article/details/69400053
(5)什么是函数式编程,和Java的面向对象思想有什么区别 https://blog.csdn.net/hxcurtain/article/details/77619252 http://www.cnblogs.com/zhenw/p/6160931.html
(6)按值传递和按引用传递的区别? https://www.cnblogs.com/ChrisMurphy/p/5194450.html
(7)函数调用(方法A调用方法B)https://www.cnblogs.com/zlcxbb/p/5759776.html
(8)栈桢中包括哪些内容?https://blog.csdn.net/wb_snail/article/details/80610676
(9)HashMap和Hashtable https://www.cnblogs.com/kakaisgood/p/9530783.html
(10)面向对象编程三大特性------封装、继承、多态 https://blog.csdn.net/jianyuerensheng/article/details/51602015