import java.util.Scanner;
public class Demo2 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("请输入一个数字:");
int num = sc.nextInt();
switch (num) {
case 1:
System.out.println("东");
break;
case 2:
System.out.println("西");
break;
case 3:
System.out.println("南");
break;
case 4:
System.out.println("北");
break;
default:
System.out.println("你输入的数字有误");
break;
}
}
}
就是这样 看不懂以后就学到了 |