public class HelloWorld { public static void main(String[] args) { String today='日';
switch(today){
case "一":case "三": case "五":
System.out.println("吃包子");break;
case "二": case "四": case "六":
System.out.println("吃油条");break;
default:
System.out.println("吃主席套餐");break;
}
} }
要用单引号吧,双引号是字符串,单引号是字符
String today="日"; case "一":