个人学习GOF23设计模式时，写的DEMO内附个人的笔记，结合源码能深刻体会GOF设计模式在开发中的妙处。-Individual learning GOF23 design mode, write personal notes DEMO included , with source code GOF design patterns can be a profound experience in the development of the beauty !

多种设计模式简单实现，供新手入门指导，可以结合各算法分析对比理解-A variety of design patterns is simple to implement, for the guidance of beginners, and can be combined with the algorithm analysis and comparison to understand