java switch 应用

import java.util.Scanner;
public class Dome1{
    public static void main (String []args ){
        Scanner input = new Scanner (System.in );
        int day =0;
        System.out.print("请输入1~7整数:");
        day = input.nextInt();
        switch(day){
                case 1:System.out.print("星期一");break;
                case 2:System.out.print("星期二");break;
                case 3:System.out.print("星期三");break;
                case 4:System.out.print("星期四");break;
                case 5:System.out.print("星期五");break;
                case 6:System.out.print("星期六");break;
                case 7:System.out.print("星期日");break;
                default:System.out.print("输入错误!");
                
        }
        
        
        
        
    }
}