自定义异常-Exception -2

package com;
 

 import java.util.Scanner;
 

 public class MyExceptionTest2 {
 
  
  
   
 
  
  
   
 public static void main(String[] args) {
 
  
  
   
  
  
   
 System.out.println("====除数运算====");
 
  
  
   
  
  
   
 System.out.println("请输入被除数");
 
  
  
   
  
  
   
 Scanner scan = new Scanner(System.in);
 
  
  
   
  
  
   
 int a = scan.nextInt();
 
  
  
   
  
  
   
 System.out.println("请输入除数");
 
  
  
   
  
  
   
 int b = scan.nextInt();
 
  
  
   
  
  
   
 try {
 
  
  
   
  
  
   
  
  
   
 double theResult = getResult(a,b);
 
  
  
   
  
  
   
  
  
   
 System.out.println(a+"/"+b+"= "+theResult);
 
  
  
   
  
  
   
 } catch (ChushufuException e) {
 
  
  
   
  
  
   
  
  
   
 e.printStackTrace();
 
  
  
   
  
  
   
  
  
   
 System.out.println(e.getMessage());
 
  
  
   
  
  
   
 } catch (ChushulingException e) {
 
  
  
   
  
  
   
  
  
   
 e.printStackTrace();
 
  
  
   
  
  
   
  
  
   
 System.out.println(e.getMessage());
 
  
  
   
  
  
   
 }
 
  
  
   
 }
 
  
  
   
 
  
  
   
 
  
  
   
 
  
  
   
 public static double getResult(int a,int b) throws ChushufuException, ChushulingException{
 
  
  
   
  
  
   
 if(a<0){
 
  
  
   
  
  
   
  
  
   
 throw new ChushufuException("被除数不能为负数");
 
  
  
   
  
  
   
 }
 
  
  
   
  
  
   
 
  
  
   
  
  
   
 if(b==0){
 
  
  
   
  
  
   
  
  
   
 throw new ChushulingException("除数不能为0");
 
  
  
   
  
  
   
 }
 
  
  
   
  
  
   
 
  
  
   
  
  
   
 return a/b;
 
  
  
   
 }
 

 }
 
 package com;
 


 public class ChushufuException extends Exception {
 
  
  
  
 
  
  
  
  public ChushufuException(String msg){
 
  
  
  
   
  
  
  super(msg);
 
  
  
  
  }
 
 }
 
 package com;
 


 public class ChushulingException extends Exception {
 
  
  
  
 
  
  
  
  public ChushulingException(String msg){
 
  
  
  
   
  
  
  super(msg);
 
  
  
  
  }
 
 }