帮看下哪错了
import java.util.Scanner;
public class Text{
public static void main(String[] args){
Scanner in=new Scanner(System.in);
System.out.println("分别输入三个数:1,2,3");
int shu=in.nextInt();
switch (shu){
case1:
System.out.println("你出的是石头");
break;
case2:
System.out.println("你出的是剪刀");
break;
case3:
System.out.println("你出的是布");
break;
default:
System.out.println("请输入正确的值");
}
}
}