One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.
上古时代，为了应对大旱，中国古老的两个部落东夷和九黎
该剧共10集，是纪录片风格，时间设定在第一部电影推出后15年(类似真实生活时间)，讲述东高一群学生设计排演音乐剧《歌舞青春》，发现戏外的抓马跟剧中一样多。每集会有一首新歌，加上一首来自原电影的曲目。
《天国餐馆》每集正剧之后的番外。
高端牙科诊所的牙医程皓业余时间经常帮别人出谋划策追女孩，追女孩有无数种方法的他却还没有恋爱过。受过情伤专治各种渣男的罗玥来看牙病，偶遇程皓，两人冤家路窄。两个彼此讨厌的人，开始了一段啼笑皆非的情感追逐战。程皓的合伙人张铭阳动了真心让程皓帮忙追一个女孩，而这个女孩竟是程皓曾经的暗恋对象。程皓的朋友邹北业让程皓出主意追一个女模特。三个遇到不同情感问题的男人成了铁三角，最终他们都找到了最合适自己的另一半，同时也收获了成长。
板栗疾步上前，颤声问道：红鸾，你……你怎么在这？法惠住持见玄武王居然认识水云庵的师傅，想要跟过去瞧究竟，却被魏铁踏前一步拦住了。
In the past two years, the educational policy inclined to the direction of quality education has impacted on the examination-oriented counseling and training of mathematics and other disciplines, forcing some K12 discipline training institutions to begin to lay out the direction of quality education and explore the way of discipline quality education. For example, subject counseling agencies such as Learning and Thinking, New Oriental and Elite Education, with a keen sense of smell, have begun to work hard on the cultivation of children's thinking ability at an early stage.
故事聚焦迪亚兹姐弟二人，Lily (Emeraude Toubia饰)和Jorge (Mark Indelicato饰)，他们的使命是找到爱与目标。两人在一年中最繁忙的节假日里，和看似没有关联的居民们不期而遇。
为之，二人展开了一系列轻松风趣、啼笑皆非、控制与反控制、征服与反征服的龙凤斗。历经重重磨难、打击和挫折后，夫妻二人终于明白了一个道理：婚姻是要靠两个相爱的人互相包容互相尊重共同经营，幸福才会降临。
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."
此时除了新娶来的媳妇外，郭家只有病弱的老父、小娘和一个四岁幼女，无人能为之奔走相救。
战国时代，礼崩乐坏。周天子狩猎大典遇刺，七国诸侯与后妃臣公皆有嫌疑。危机四伏，波谲云诡，精心布局的阴谋环环相扣。战火烽烟，诸侯并起，大时代中，秉承理想与信仰的旷世奇才鬼谷子王蝉，踏上了勤王之路，与门生孙膑、庞涓、苏秦、张仪等壮志凌云之士，前赴后继，匡扶正义，拯救天下。 谋略大戏的帷幕就此拉开，一切的玄机，都围绕着揭晓一个周王朝尘封多年的秘密，一部可以征服天下的孙武兵书，以及一条拥奴与废奴，登顶王座一统中华的博弈之路。豪杰义士，权臣枭雄，浪子红颜；阴谋与爱情，复仇与救赎，权力与自由，黑暗与光明……每一个置身其中的人，都成为天下棋局中激烈搏杀的棋子，而一切阴谋的元凶姬元伯与纵横捭阖的谋圣鬼谷子，执手黑白，推动棋局，展开了顶峰博弈的生死对决！
表面看似完美幸福的一家人，却没发现一场风暴即将来袭……
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高冷禁欲系男神“黎昕”和科技眼镜宅“安定”是一对相爱相杀的朋友。一次宿醉引发“触物为人”超能力，让安定家中的物品变成了活生生的人，但这些身怀绝技性格古怪的“物化人”每次只能出现24个小时。黎昕和安定由此陷入了一系列离奇有趣却又暗藏危机的事件之中……
他预料英布可能不会很听话，但万万没想到英布竟然如此大胆。
板栗笑骂道：别丢人现眼了。
