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