Each object has its corresponding state, and each state corresponds to some corresponding behaviors. If an object has multiple states, there will be many behaviors. Then the judgment of these states and the behavior completed according to the states will lead to multiple conditional statements, and if a new state is added, the existing code needs to be changed. This kind of design obviously violates the principle of opening and closing, and the state mode is used to solve such problems.
This chapter is the last lecture on design patterns. It will talk about the third design pattern-behavioral pattern, with a total of 11 types: policy pattern, template method pattern, observer pattern, iterative sub-pattern, responsibility chain pattern, command pattern, memo pattern, state pattern, visitor pattern, intermediary pattern and interpreter pattern. I have been writing about design patterns for a long time. At last it's halfway through, Writing a blog post is a very time-consuming thing, Because I have to be responsible for the readers, Whether it's graphs, codes, or representations, Everyone hopes to write it as clearly as possible so that readers can understand it. I think both I and the readers hope to see high-quality blog posts come out. Starting from myself, I will stick to it and update it continuously. The continuous motivation comes from the continuous support of readers and friends. I will do my best to write every article well! I hope everyone can give opinions and suggestions continuously and jointly create a perfect blog post!
This kind of situation will also occur among female journalists. Whether it is due to differences in news concepts or competition for positions, there will always be a phenomenon of mutual exclusion.
《春风化雨》讲述10岁男孩蓝泾雨和8岁女孩金悦等一群性格各异、遭遇不同的山村留守儿童，在主人公张运老人自办的“留守儿童助教中心”一年间的生活、学习、成长的经历。
而且熊心一番说辞头头是道，极为老练，看来尹旭说的不错，这个这个牧童太子真的不简单。
至于西楚国的嘲讽完全不必在乎，虞子期的言语在张良看来反而是一种讽刺。
AbemaTV開局2周年記念オリジナル連続ドラマ「会社は学校じゃねぇんだよ」にて、三浦翔平が連続ドラマ初主演を果たすとわかった。
说不出话的老人惊诧继而怨恨的目光一直到咽气都停留在伊川夏身上，成了伊川夏的夜夜梦魇。她希望年良修能来上海和自己在一起，开始是希望，后来希望多了就成了年良修的压力，年良修感觉到威胁。
该剧是一部讲述犯罪小说家妻子和离婚律师丈夫之间的故事的喜剧悬疑惊悚片，讲述了怀着负罪感做坏事的大人的故事。
当时文三儿心里觉得打仗真好，能让他一个臭拉车的也在北平老少爷们儿面前露了脸。可没想到，紧接着就遭遇了日本的飞机轰炸，文三儿忽然想明白了一些重大问题，像抗日这么大的事儿轮到谁也轮不到自己操心，遂打定主意，从今往后就是天塌下来他也不会再凑热闹了。其实在文三儿意识到“国家出了大事情”之前，很多爱国人士早已经迅速投入到抗日斗争的各个环节之中去了。
Article 39 [Settlement during Treatment] During the investigation and treatment of designated medical institutions, agencies may suspend the payment of settlement expenses of relevant medical security funds and allocate them according to the treatment results after the investigation and treatment are completed. Recovery of illegal expenses, deduction of liquidated damages and refund of defrauded expenses can be deducted from the settlement expenses or annual reserved expenses of the unit.
确实是因为他们贪功心切，不认识思考所致。
Whether it is file uploading, music or video players, some obvious state distinctions can be found. For example, there are several states in the file upload program: scanning, uploading, pausing, uploading successfully and uploading failed. The music player can be divided into several states: loading, playing, pausing and playing after. When clicking the same button, the behavior in upload and pause states is different, and their style class is also different.
项羽点头道道：九江国不足为虑，英布他也不好好想想。
To adjust the driving force, aileron, elevator, rudder, elevator tab or flap, see the following keyboard shortcuts.
范文轲全不以为然。
秋月不信命，她以坚毅不屈的传统女性伟大精神创造自己的新生命，她又当妈又当爸，还真心诚意的照顾长年欺侮她的婆婆，在秋月的身上汇聚了中国传统女性美德。
在刚过去的《异世奇人》中，饰演博士的是性格演员基思杜化艾克士顿(ChristopherEccleston)，他的演出的确令剧集生色不少。不过，上一辑结局篇中博士经过一场世纪大战之后，身体突然出现异变，以全新容貌出现好拍档罗莎跟前。而有幸成为《异世奇人》史上第十位博士的演员就是英俊小生DavidTennant。始终不变的则有跟博士出生入死、超时跨空的好拍档罗莎。
31岁，与同居男友迎来适婚龄的和子，那个夏天在打工电影院遇到了让自己世界熠熠生辉之人，优美的年轻高中生。「和子小姐喜欢的电影是哪一部呢…还想再见您。」迄今为止从未有过选择权、一直被他人选择的和子，终于拥有了选择机会：现世安稳，还是如夕阳般艳丽又短暂易逝的新恋情。
