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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."Proxy is a noun and Delegate is a verb. Secondly, proxy shows that several objects implement a common interface, while delegate only shows that one object references another object and does not involve an interface.香荽听着娘的话，双目烨烨生辉。鲁邦三世第六季动画全集将于2018年4月播出。为该系列作品第五部动画，故事的舞台来到了现代的数码社会，鲁邦三世和世界传奇盗贼亚森·罗宾来到了起源之地——法国。乘坐老爷车、使用旧式手枪的鲁邦就这样来到数字时代，在新系列中使用互联网、移动终端等科技产品。Currently running FC/SFC/MD/GBA games is perfect从司马懿戎装佩剑意气风发，到诸葛亮手持白鹤羽扇挥斥方遒，都预示着一场场对战呼之欲出。究竟是空城计、六出祁山，还是上方谷之战呢？