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;
}
}