package day_7_1;
public class EnumDemo {
public static void main(String[] args) {
WeekDay weekDay = WeekDay.FRI;
System.out.println(weekDay);
System.out.println(weekDay.values().length);
}
public enum WeekDay{
SUM,MON,TUE,WED,THI,FRI(1),SAT;
private WeekDay(){
System.out.println("First");
}
private WeekDay(int day){
System.out.println("Second");
}
}
}
得不到张老师视频里的结果
|
|
收藏
淘帖
踩
