public?class?HelloWorld?{
????public?static?void?main(String[]?args)?{
????????char?today?=?'日';
????????switch?(today)?{
????????case?'一':
????????case?'三':
????????case?'五':
????????????System.out.println("油條");
????????????break;
????????case?'二':
????????case?'四'://?英文冒號
????????case?'六'://?同上
????????????System.out.println("包子");//?英文分號
????????????break;
????????case?'日'://?英文冒號
????????????System.out.println("主席套餐");
????????}
????}//?少一個大括號
}//?同上