直接上代码
package com.bigdat.java.day16;
import java.util.Scanner;
/*
模拟登录,给三次机会,并提示还有几次。
*/
public class StringDemo1 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String name = "阿涛";
String pwd ="123456";
int num = 3;
while (num > 0){
num -=1;
System.out.println("请输入账号(姓名):");
String n = sc.nextLine();
System.out.println("请输入密码:");
String p = sc.nextLine();
if(name.equals(n) && pwd.equals(p)){
System.out.println("身份验证成功!正在登录...");
break;
}else{
System.out.println("身份验证失败,您还有"+num+"次机会!");
}
}
}
}