Java 枚举

编译前：

package Enum_exercise;
//枚举中的构造器默认是私有
public enum EnumDemo {
	Mon,Tue,Wed,Thu,Fri,Sat,Sun;
}

反编译后：

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   EnumDemo.java

package Enum_exercise;


public final class EnumDemo extends Enum
{

    private EnumDemo(String s, int i)
    {
        super(s, i);
    }

    public static EnumDemo[] values()
    {
        EnumDemo aenumdemo[];
        int i;
        EnumDemo aenumdemo1[];
        System.arraycopy(aenumdemo = ENUM$VALUES, 0, aenumdemo1 = new EnumDemo[i = aenumdemo.length], 0, i);
        return aenumdemo1;
    }

    public static EnumDemo valueOf(String s)
    {
        return (EnumDemo)Enum.valueOf(Enum_exercise/EnumDemo, s);
    }

    public static final EnumDemo Mon;
    public static final EnumDemo Tue;
    public static final EnumDemo Wed;
    public static final EnumDemo Thu;
    public static final EnumDemo Fri;
    public static final EnumDemo Sat;
    public static final EnumDemo Sun;
    private static final EnumDemo ENUM$VALUES[];

    static 
    {
        Mon = new EnumDemo("Mon", 0);
        Tue = new EnumDemo("Tue", 1);
        Wed = new EnumDemo("Wed", 2);
        Thu = new EnumDemo("Thu", 3);
        Fri = new EnumDemo("Fri", 4);
        Sat = new EnumDemo("Sat", 5);
        Sun = new EnumDemo("Sun", 6);
        ENUM$VALUES = (new EnumDemo[] {
            Mon, Tue, Wed, Thu, Fri, Sat, Sun
        });
    }
}