try

禽兽渥

import java.io.*; public class Mine{ public static void main(String argv[]){ Mine m=new Mine(); System.out.println(m.amethod()); } public int amethod(){ try{ FileInputStream dis =new FileInputStream("Hello.txt"); //1，抛出异常 }catch ( Exception ex) { System.out.println("No such file found"); //2.catch捕获异常，并执行 return -1; //4,return 返回 }finally{ System.out.println("Doing finally"); //3.finally一定会执行，在return之前。 } return 0; } } 运行结果: C:\java>java Mine No such file found Doing finally -1