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