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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."　　这是一个女孩从艰难中爬起长大成为一个成熟女人的故事，她这三十年是一个传奇，但更代表了这片土地上生活的人们三十年经历的传奇与巨变。“剪刀、石头、布”恰恰分别代表着三人的个性：锐利、固执与包容，也是他们用来决定爱情的机率游戏。他们撇开年龄、性别的隔阂，放肆畅怀于一段可爱动人的三角恋情之中，两个拜把兄弟陈克洛(张勋杰饰)和韦祺祥(王绍伟饰)，同时爱上一个平凡却善良的女孩-叶朵丽(陈乔恩饰)，却为了彼此的情谊，双双甘愿牺牲自己的爱情，成全对方。最后，他们用猜拳的方式，让机率决定彼此的爱情命运。听来也许觉得荒谬，但时下的爱情，又有多少逻辑可言哩！剧中哥儿们间的友情、男女间的爱情、对梦想的追求，都将以轻松、有趣和略为夸张的呈现方式铺排在剧情之中，在玩味他们单纯、傻气却认真、执着的爱情态度时，让人一窥现代人多元的感情面貌，并且营造出戏剧浪漫清新的质感。吃多了重碱口味菜肴，我们端上一道外型亮丽、质感细腻、后劲有力的新鲜甜品。在“剪刀、石头、布”的猜拳游戏中，一起来算一算真爱来临的机率吧！　　公安部获悉：一代码为”三D“的神秘女子携带毒品的配方及样品秘密的潜入了中国的沿海城市--海阳市，认为该市定有其组织在我国大陆设立的毒品生产基地，公安部命令海阳市公安局务必严查！　　最后，晓红竟给他们一个离奇的答复…When the speed is lower than 100 kilometers at 3 o'clock, a safe distance of more than 50 meters should be kept.The humanoid monster in the former is relatively slow, But the ability to fight is very strong, Not sensitive to puncture attacks, Can resist medium caliber and medium power rifle bullets, In the face of fire, Only when they are completely smashed or their heads are cut off can they be killed. The latter, an unknown creature similar to a "dog", The target is small, Fast speed and evasive ability, After listening to Liu Guangyuan's description, After it can easily cross a large crater with a diameter of 5-6 meters, the impact speed is not weakened, so it can be seen that the unknown creature has extremely strong explosive force, rapid movement, and strong adaptability to complex terrain, but its defense force is poor, and it will die after being hit more times by weaker casualties (such as high-speed steel balls in anti-infantry mines).