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.
刘邦由一介泗水亭长混到今日今日的沛公之位，最开心的莫过于吕雉。
该剧讲述1941年地下党林峰临危受命，打入军统陕西省省室，代替孪生哥哥高明出任副主任，营救我党的同志。
However, crocodiles' short, rounded and sparsely arranged teeth do not have the function of cutting flesh. Their main function is to hook and inject the skin of prey during hunting to prevent prey from escaping. Land carnivores pay more attention to chewing, so they do not have such function.
八九十年代，混迹一方小有成就的武术教练杨远为了替朋友打抱不平，陷入了和地痞的生死纠葛之中。出狱后，物是人非，曾经的兄弟抢占了自己的女友，而地痞不断骚扰他，并最终枪杀了他的弟弟，本想安分过日子的他决意复仇，等待他的又是一次寒窗岁月。
电视剧《错恨》是一部以恨开始以爱结局的女人戏，它突破了普通家庭剧的平淡，加入了悬疑和喜剧色彩，让一个因爱生恨，又让爱回归的感人故事，充满眼泪与笑料。本剧屏弃了家庭剧市场靠情节离奇、粗制滥造、无哩头搞笑的俗套，用精辟的中医哲学诠释中国家庭伦理，超越美剧和韩剧，占领家庭剧创作制高点。 该剧重点描写了中药厂女工赵燕子，因误解丈夫和女徒弟有染并被她所害，在报仇与报恩之间纠葛30年，二人却成了儿女亲家，后在有关人命的激烈冲突中揭开当年真相，仇人变恩人，赵燕子悔悟错恨半生，要用爱来回报一切。整部作品情节跌宕起伏，人物关系错综牵制，人物性格极致到顶点，大喜大悲中，集集有高潮，场场有悬念，台词辛辣朴实，市井俚语如邻家故事，真实感人，并在其中感受中医针灸的玄妙，得到人性启迪。 在剧中，两个女人的命运贯穿中国改革开放30年。赵燕子那份泼辣和倔强，充满视觉冲击力；而李智的智慧与隐忍，则让中国女性的美德发挥到极致。几个80后晚辈对理想和爱情的追求，惊天地泣鬼神，他们用新潮另类的行动，化解了父辈的恩怨，也让爱
National Geographic在《#天才# Genius》首季季终后，公布已续订的第二季会聚焦在著名艺术家Pablo Picasso；剧集执行制片Ron Howard在访问中表示，尽管毕加索已经是家喻户晓的名字，但很多人都不知道他的作画的动力﹑有甚么困扰过他，以及他是如何「经历动荡」下，成就自己的伟大艺术。
Simple test classes:
The ISO of Huawei's mobile phone can automatically,
…,三天之后，无诸大军进入一段群山，整日间都是在山谷中行军。
本来以为到了萧县，可以暂时站稳脚跟，可是现在看来，项羽根本没有给自己这个机会。
《留在我身边》是一部讲述家庭生活的叙事电视剧。在这个家庭中生活着三代人，兄妹自幼遭母亲遗弃而与父亲相依为命，母亲的妈妈当年由于跟丈夫不合便离家出走后来与医生再婚。剧中金正旭将与李允智饰演一对恋人。……
自由奔放に過ごす猫の生きざまに現代を軽やかに生きるヒントを得て、日常の幸せに気づいていく男の物語。
苏樱，你就别吓他们了。
三十年代，万家庄与沙河镇为了争水源而嫌隙丛生。沙河镇文武双全的赵时俊，为解开现金镇纠葛，毅然娶了万家庄庄主万大权柔弱多病却善良贤慧的独女秋玲，却把对另一个女子沈心慈的爱意深埋心底……心慈为他生下女儿绣云，赵时俊决定不顾一切公布真相，心慈却为了维护时俊，死在李耿明枪下，濒临崩溃的赵时俊，只有在包容一切的万秋玲的照顾下，为了绣云，也为了替沙河镇找到一处新水源而活下去。随着局势的变化，恶势力侵入青湖边的两个小镇，时俊保护绣云与秋玲两上女人，保护两镇镇民的担子更重了……两代情仇的故事，最终在为乡为土，为民族大义的前提下，圆满落幕了。
[News] On February 14, an article entitled "Spring Festival Chronicle: A Diary of Returning Home from a Worsening Northeast Village" was published in WeChat Public Number of Caijing Magazine. Author Gao Shengke wrote at the beginning of the article: "The miscellaneous notes of my hometown that I want to write are somewhat cruel and sad. Unfortunately, this is not a fabrication, but a true portrayal." "The way my hometown fell to the enemy and the pathos of this difficult song are absurd." The various phenomena depicted in the article in the rural areas of Northeast China are shocking, and even "the old people at home are not as good as dead. While they are suffering from the crime of living, several peasant women are plotting a group of expeditions to other provinces to" arrange guns ". As soon as the article was published, Guangming, China Youth, China and other media reprinted it one after another, causing hot discussion among netizens.
Because in her heart, she still firmly believes that marriage must be happy, and will still put trust in her feelings first like everyone else.
一共有两部共14单元，分别是：
