package com.nokia.test1;

 public class test {

     public static void main(String[] args) {

         NumberTest n = new NumberTest();        

         //捕获异常

         try{

             System.out.println("商="+n.div(1,0));  

         }catch(customException1 yc){

             System.out.println(yc.getMessage());

             yc.printStackTrace();

         }

         catch(customException2 yx)

         {

             System.out.println(yx.getMessage());

             yx.printStackTrace();

         }

         catch(Exception y)

         {

             System.out.println(y.getMessage());

             y.printStackTrace();

         }  

         finally{ System.out.println("finally!");} ////finally不管发没发生异常都会被执行    

     }

 }

 class customException1 extends Exception{

     public customException1(String msg) {

         super(msg);

         // TODO Auto-generated constructor stub

     }

 }

 class customException2 extends Exception{

     public customException2(String message) {

         super(message);

         // TODO Auto-generated constructor stub

     }

 }

 class NumberTest{

     public int div(int x, int y) throws customException1, customException2 {

         if (y<0) {

             throw new customException1("您输入的是"+y+",规定除数不能为负数!"); //抛出异常

         }

          if(y==0)

             {

                 throw new customException2("您输入的是"+y+",除数不能为0!");

             }  

         return x / y;

     }

 }