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Java Design Patterns

JavaDesignPatterns include:

1.add Singleton Pattern

JAVA 设计模式 – 单例模式 http://www.devnp.com/2016/10/19/java-%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f-%e5%8d%95%e4%be%8b%e6%a8%a1%e5%bc%8f/

2.add Factory Pattern

JAVA 设计模式 – 工厂模式 http://www.devnp.com/2016/10/19/java-%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f-%e5%b7%a5%e5%8e%82%e6%a8%a1%e5%bc%8f/