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After understanding the history and classification of design patterns, how should we learn design patterns? Before learning the design pattern, readers must establish a kind of consciousness, that is, the design pattern is not only a method and technology, but also an idea and a methodology. It has nothing to do with the specific language. The main purpose of learning design patterns is to establish object-oriented ideas, program to the interface as much as possible, with low coupling and high cohesion, so that the programs you design can be reused as much as possible. "Specious. Learning design patterns can better understand object-oriented ideas. Design patterns are some design skills and tricks. Don't rise to ideas and methodologies, okay?"你坐的那把椅子，也隐藏着戏剧性的日常生活。每集有一把实际存在的著名椅子登场，结合椅子的形成和特性等编织而成，富于变化、独特而不可思议的“椅子与女性”的8个故事。　　张一男是李春天姐姐李思扬的前男友，多年前李思扬去了美国，两人不得已分手。在李春天的介绍下，张一男和刘青青认识并相恋，是一对欢喜冤家。因此，他即便进京候审，依旧在宅中与罗龙文饮酒作乐。Neurosis tendency is assessed individually.该剧讲述了宁州大学博士教师徐盈盈来到春天里社区调研，意外被推选成为社区主任，在繁杂的社区治理工作中不断思考探索，从一个基层工作新人，成长为一个优秀的社区干部，在社区民警田立杰、社工同事和众多社区居民的共同努力下，将老厂区改造成为居民们向往的特色中心街区。以此向观众呈现出社工群体以及社区工作的整体风貌，让观众更加了解基层工作的艰辛 。成长于福利学校的少年苏昂（欧豪 饰）与女孩林巧（郭姝彤 饰）相依为命，彼此取暖，然而受尽欺凌与屈辱。当少年一路野蛮成长，蜕变成为电脑天才，坏人也并未变老，于是苏昂开始编织自己的复仇计划。