1 package com.xunhuan;
2
3 import java.util.Scanner;
4
5 public class ZuoYe04 {
6
7 public static void main(String[] args) {
8
9 Scanner meng00 = new Scanner(System.in);
10 int num=0; //定义int变量
11 String day="" ; //定义day变量
12
13 //do... wuhile循环
14 do{
15 System.out.println("请输入0-7的数字:"); //输入
16 num = meng00.nextInt();
17 //if判断
18 if (num>7||num<0) {
19 System.out.println("输入有误!");// 输入大于7 或 小于0 输入有误
20 break;
21 }else if(num==0){
22 System.out.println("结束");// 输入0结束
23 break;
24
25 }else{
26 //if判断 否则else
27 switch(num){
28 case 1:
29 day="今天是MON";
30
31 break;
32 case 2:
33 day="今天是TUE";
34
35 break;
36 case 3:
37 day="今天是WED";
38
39 break;
40 case 4:
41 day="今天是THU";
42
43 break;
44 case 5:
45 day="今天是FRI";
46 break;
47 case 6:
48 day="今天是SAT";
49 break;
50 case 7:
51 day="今天是SUN";
52 break;
53
54 }
55 System.out.println(day);
56 }
57
58 }while(num!=0);//不等于0
59
60
61 }
62
63 }
