Java枚举类

// TestDemo主程序：
// 将英文枚举类工作日转换为中文工作日
class TestDemo{public static void main(String[] args) {WeekDay date = WeekDay.FRI;String chidate = date.showDay();System.out.println(chidate);}}

//枚举定义
public enum WeekDay {MON("1"),TUE("2"),WED("3"),THU("4"),FRI("5"),SAT("6"),SUN("7");private String num;private WeekDay(String num){this.num = num;}public String showDay(){return "星期"+this.showDayCon();}public String showDayCon(){String val = "";switch (num) {case "1":val ="一";break;case "2":val ="二";break;case "3":    val ="三";break;case "4":val ="四";break;case "5":val ="五";break;case "6":val ="六";break;case "7":    val ="日";break;default:break;}return val;}}