import java.util.*;

public class HelloWorld {

    public static void main(String[] args) {

Scanner s = new Scanner(System.in);

System.out.print("输入日期："); 

String today = s.today();

switch(today){

    case "一":

    case "三":

    case "五":

        System.out.println("早餐吃包子");

        break;

    case "二":

    case "四":

    case "六":

        System.out.println("早餐吃油条");

        break;

    default:

        System.out.println("吃主席套餐");

}

我这个代码怎么改