Java学习之自定义异常

 1 package com.gh;
 import java.util.Scanner;
 /**
  * 自定义异常
  * @author ganhang
  *
  */
 public class ExceptionDemo {
     public static void main(String[] args) throws exception {
         Scanner sc = new Scanner(System.in);
         System.out.println("请输入帐号aaa密码123");
         String id = sc.nextLine();
         int pwd = sc.nextInt();
         if (!id.equals("aaa") || pwd != 123)
             throw new exception("帐号或密码错误！");
         else System.out.println("帐号正确！");
     }
 }
 class exception extends Exception{
     public exception(String mes){
         super(mes);
     }
 }

太久写的，知识点都没记，慢慢上传吧