public class HelloWorld {

    public static void main(String[] args) {

char today='日';

switch(today) {

case '一':

case '三':

case '五':

System.out.println("包子");

break

case '二':

case '四':

case '六':

System.out.println("油条");

break

default:

System.out.pruntln("主席套餐");

           }

       }

}