ninety_two的博客

1.懒汉模式package 单例模式;public class SingleTest { private static SingleTest instance; private SingleTest(){}; public static synchronized SingleTest getStance(){ if(instance==null){ return new ...

工厂模式：https://blog.youkuaiyun.com/u012156116/article/details/80857255适配器模式：https://blog.youkuaiyun.com/zxt0601/article/details/52848004单例模式：https://blog.youkuaiyun.com/czqqqqq/article/details/80451880装饰者模式：https:/...