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")；
            break;
        case '二':  
        case '四':
        case '六':         
             System.out.println("吃油条");
             break;
        case '日':
         System.out.println("吃主席套餐");
       
  
       
     }
          
 }
}