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Soon I saw Li Jianzhong's C # Object-Oriented Design Pattern Lecture on MSDN's Webcast. A very good series of lectures gave me a new understanding of design patterns. I realized that learning design patterns, specifically learning object-oriented design patterns, should start with learning object-oriented. "The principle of object-oriented is like understanding the rules of chess, and the design pattern is equivalent to a mess. I don't know what the rules look at." Since I have been doing ASP.NET development for the previous year, although I have been writing classes, learning Duwamish to make hierarchical architecture, typed DataSet and custom entity classes, it seems that I haven't used interfaces much in the past year, and I seldom use any polymorphism. In fact, the understanding of object-oriented programming is still very vague.只是淡淡的回应道：是啊，天空浩瀚邈远，星辰闪耀灿烂，纯净而宽广，非人间可以比拟!…,这一番话尹旭说的极为矫情，说话的同时身上不由的都起了一层鸡皮疙瘩。讲述和影星李英爱的表面有着180度不一样的－李英爱小姐，其家庭、爱情和职场上所发生的故事。77mi.cc此剧为韩国最长命的喜剧。吕老哥，我先走了。而黛绮丝又是波斯明教圣女，终生不能婚嫁，成婚之后，必被波斯明教誓死追杀。英布和项羽两个响当当的汉子率先叫好。范增续道：自保乃是最为低的要求，其中的关键在于面对敌人……现在最大的敌人是刘邦，尹旭则是一个潜在的威胁。