工厂方法： 传送门抽象工厂方法：传送门建造者模式：传送门单例模式：传送门 补充：枚举单例模式
public class Singleton {
private Singleton(){}
private enum SingleTons{
INSTANCE;
private final Singleton singtance;
SingleTons(){
singtance = new Singleton();
}
private Singleton getSingtance(){
return singtance;
}
}
public static Singleton getInstance(){
return SingleTons.INSTANCE.getSingtance();
}
}
Processed:
0.009, SQL:
8
