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Therefore, learning design patterns, The first thing to do is to understand which aspects of design patterns are available to developers, Then, the principle, timing and method of each design pattern are studied respectively, that is to say, under what circumstances should a certain design pattern be used? When understanding the timing of a certain design pattern, it is also necessary to understand what consequences will be caused if this design pattern is not used at this time. After understanding the principle and usage of each pattern, more importantly, learning the object-oriented thinking mode, after mastering the object-oriented thinking mode, looking back at the design pattern, you will have a deeper understanding. Finally, learning the design pattern, you must study hard and practice more. "I agree with the last sentence very much."步入中年，卓也（中山俊介饰）对家里的黄脸婆妻子不可自抑地产生了厌倦感，有一天，他在药店里发现了“倦怠期特效药”，妻子服食后，居然变成了大美人（井上和香饰）！千金小姐关关不计回报的帮助学长韩山创业，收获美好爱情。What should we do under the thunder tide of P2P network loan explosion?郑氏不许，吩咐周菡操持家务，红椒和妹妹们陪奶奶外婆，却叫过香荽道：你跟山芋、青莲、南瓜去瞧瞧。　　究竟要如何将自己的祖国导向和平？