会python真的可以为所欲为0(回)
382天前
这里还有人吗1(回)
567天前这里还有人吗0(回)
567天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
792天前到处都是羊，不想上班0(回)
872天前
鸽子
0(回)
876天前package com.test1; |
public class EnumTest { |
/** |
* @param args |
*/ |
public static void main(String[] args) { |
// TODO Auto-generated method stub |
WeekDay1 weekDay = WeekDay1.MON; |
System.out.println(weekDay.nextDay()); |
|
WeekDay weekDay2 = WeekDay.FRI; |
System.out.println(weekDay2); |
System.out.println(weekDay2.name()); |
System.out.println(weekDay2.ordinal()); |
System.out.println(weekDay2.hashCode()); |
System.out.println(weekDay2.values().length); |
} |
public enum WeekDay{ |
SUN,MON,TUE,WED,THI,FRI,SAT; |
private WeekDay(){ |
System.out.println("first"); |
} |
private WeekDay(int day){ |
System.out.println("second"); |
} |
} |
public enum TrafficLamp{ |
RED(30){ |
@Override |
public TrafficLamp nextLamp() { |
// TODO Auto-generated method stub |
return GREEN; |
} |
|
}, |
GREEN(45){ |
@Override |
public TrafficLamp nextLamp() { |
// TODO Auto-generated method stub |
return YELLOW; |
} |
|
}, |
YELLOW(5){ |
@Override |
public TrafficLamp nextLamp() { |
// TODO Auto-generated method stub |
return RED; |
} |
|
}; |
public abstract TrafficLamp nextLamp(); |
private int time; |
private TrafficLamp(int time){ |
this.time=time; |
} |
} |
} |
