Java 基础-------------------------------------------------------------------------------------------------- 1
基本数据类型--------------------------------------------------------------------------------------------- 1
包装类型--------------------------------------------------------------------------------------------------- 1
集合--------------------------------------------------------------------------------------------------------- 2
多线程------------------------------------------------------------------------------------------------------ 2
生命周期--------------------------------------------------------------------------------------------------- 2
热门面试问题:------------------------------------------------------------------------------------------ 3
1、什么是 GC?为什么要有 GC--------------------------------------------------------------------- 3
2、final, finally 和 finalize 的区别?---------------------------------------------------