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驗證登錄信息是否合法

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 1 package 驗證登錄信息是否合法;
 2 
 3 import java.util.Scanner;
 4 
 5 public class Login_Message_If_Legal {
 6     public static void main(String[] args) {
 7         Scanner input=new Scanner(System.in);
 8         boolean loop=true;
 9         while(loop){
10             System.out.println("Please enter your username:");
11 String Name=input.nextLine(); 12 if(Name.equals("sa")){ 13 14 }else{ 15 System.err.println("UserNaem is error,please again!"); 16 continue; 17 } 18 System.out.println("please your password:");
19 String password=input.nextLine(); 20 if(password.equals("1314")){ 21 22 }else{ 23 System.err.println("password is error,please again!"); 24 continue; 25 } 26 loop=false; 27 System.out.println("login successful!");
28 } 29 } 30 }

驗證登錄信息是否合法