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08 2021 档案

摘要:父类与子类的静态代码块与构造器的执行顺序 代码如下 class B extends Object { static { System.out.println("Load B"); } public B() { System.out.println("Create B"); } } class A e 阅读全文
posted @ 2021-08-25 20:42 KeepGoing4everZxz 阅读(91) 评论(0) 推荐(0)
摘要:try catch中的return与finally 代码为 public class Test{ public int add(int a,int b){ try { return a+b; } catch (Exception e) { System.out.println("catch语句块") 阅读全文
posted @ 2021-08-25 20:38 KeepGoing4everZxz 阅读(75) 评论(0) 推荐(0)