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("吃油條");
????????????break;
????????default:
????????????System.out.println("吃主席套餐");
????????}
????}
}