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