public class HelloWorld {
??? public static void main(String[] args) {
??char today='日';
??switch(today)
??????? {
??? ? case '一':
???????? case '三':
???????? case '五':
???????????? System.out.println("吃包子");
???????? case '二'：
???????? case '四':
???????? case '六':
??????????? System.out.println("吃油條");
??????? case '日':
??????????? System.out.println("吃主席套餐");
??}
????}
}