public class HelloWorld{
public static void main(String[] args) {
char today='日';
switch (today) {
case '一':
case '三':
case '五':
System.out.println("今天早餐吃包子");
break;
case '日':
           System.out.println("今天吃主席套餐");
break;
default:
System.out.println("今天吃油条");
}
}