switch语句

Posted 2021-03-26 shlo

import java.util.Scanner;

public class demo002 {
    //定义一个main方法
    public static void main(String[] args) {
        //创建对象且输出提示语句
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入一个月份:");
        //接收数据
        int X = sc.nextInt();
        //用switch语句判断接收数据并输出对应语句
        switch (X) {
            case 1:
            case 2:
            case 12:
                System.out.println("你输入的月份为冬季");
                break;
            case 3:
            case 4:
            case 5:
                System.out.println("你输入的月份为春季");
                break;
            case 6:
            case 7:
            case 8:
                System.out.println("你输入的月份为夏季");
                break;
            case 9:
            case 10:
            case 11:
                System.out.println("你输入的月份为秋季");
                break;
            default:
                System.out.println("你输入的月份有误");
        }
    }
}