注册

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);
        }
    }

注册