import java.util.Scanner;
public class VerifyRegistration {
public static void main(String[] args) {
String[] userNames = {"mrsoft", "mr", "miss", "Admin."};
System.out.println("欢迎进入明日学院注册页面");
boolean flag = true;
String names = null;
String userName;
do {
Scanner sc = new Scanner(System.in);
System.out.println("请输入用户名：");
userName = sc.nextLine();
for (int i = 0; i < userNames.length; i++) {
names += userNames[i];
if (userName.equals(userNames[i])) {
System.out.println("该用户名已存在！请重新输入……");
}
if (!names.contains(userName)) {
flag = false;
}
}
} while (flag);
Scanner in = new Scanner(System.in);
System.out.println("请输入密码：");
String password = in.nextLine();
System.out.println("当前用户的用户名：" + userName.trim() + "\n当前用户的密码：" + password);
in.close();
}
}
