package circulation;

import java.util.Scanner;

/**
 * @author 9527
 */

//导入扫描的包

public class Resume {
    static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        //输入提示语
        System.out.println("请输入4位会员卡号：");
        //获取会员卡号
        String card = sc.next();
        //按题目要求输出
        System.out.println("会员卡号是："+card);
    }
}

☞运行结果