Test类
package anli5_3;
import java.util.Scanner;
//模拟用户登录
public class Test {
public static void main(String[] args) {
String username="name";
String password="mima";
Scanner sc=new Scanner(System.in);
for (int i = 1; i <= 3; i++) {
System.out.println("请输入用户名");
String scU= sc.nextLine();
System.out.println("请输入密码");
String scP=sc.nextLine();
if (username.equals(scU)&&password.equals(scP)){
System.out.println("登陆成功");
break;
}else {
if (3-i==0){
System.out.println("你的登录次数以用完,请与管理员联系");
}else {
System.out.println("登陆失败,您还剩余"+(3-i)+"次机会");
}
}
}
}
}
结果展示