package com.day14; import java.util.Scanner; public class Demo04 { /** * 验证注册信息 * @return flag 验证信息 */ public boolean verify(String name,String pwd1,String pwd2){ boolean flag=false; if(name.length()<3 || pwd1.length()<6){ System.out.println("用户名长度不能小于3,密码长度不能小于6!"); }else if(!pwd1.equals(pwd2)){ System.out.println("两次输入的密码不相同!"); }else{ System.out.println("注册成功!请牢记用户名和密码。"); flag=true; } return flag; } public static void main(String[] args) { Demo04 r = new Demo04(); Scanner input = new Scanner(System.in); String uname,p1,p2; boolean resp=false; System.out.println("***欢迎进入注册系统*** "); do{ System.out.print("请输入用户名: "); uname=input.next(); System.out.print("请输入密码: "); p1=input.next(); System.out.print("请再次输入密码: "); p2=input.next(); resp=r.verify(uname, p1, p2); }while(!resp); } }