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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?"该剧讲述了在面对现实压力和人生抉择时，兄弟俩依旧坚守最初梦想和对爱情执着的追求的故事。18岁的平凡女生杉菜转入了精英学校英德大学却与同学们格格不入。学校里有四个外形阳光帅气，家境富裕的学生：道明寺，花泽类，西门和美作。因为杉菜看不惯道明寺飞扬跋扈的模样，仗义的杉菜与他产生了争执，从此之后，道明寺常常恶作剧作弄杉菜。之后一系列的事情发生，使杉菜与道明寺之间的误会逐渐的加深。但每到危急时刻，花泽类都会出现帮助杉菜并帮其解围。杉菜凭借其杂草般顽强的生命力逐渐改变了这四个男生对其不好的印象，与他们的关系也逐渐缓和，变成了朋友，从平凡女生变成了全校同学的榜样。道明寺也因为在恶作剧杉菜的过程中，被她不屈不挠的乐观天性所吸引，不知不觉的爱上了杉菜。两个人经历了重重阻碍，最终走在了一起，收获了爱情。大泽乡起义的好消息又及时传来，让尹旭好不激动，心中窃喜：历史诚不欺我，这一遭算是赌对了。而唐伯虎却说这幅画是假的，真正的《春树秋霜图》就在华府，去取画的片刻工夫，唐伯虎画出了一幅一模一样的画，然后交给宁王。