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!
Article 10 Traffic Separation System
Mediator pattern defines a mediation object to encapsulate the interaction between a series of objects. Intermediaries do not need to explicitly refer to each other between objects, thus reducing coupling and independently changing their interaction behavior. The specific structure diagram is as follows:
现在丽塔不再局限于公立学校规则和官僚主义,所以她可以从头设计她自己的学校,最终塑造它自己的理想。但它并不像听起来那么容易,和火花很快就开始飞,她开始Hjørdis一起工作
转头又对周菡道：周姑娘，我不知你口味咋样，就不帮你搛菜了。
Throttle
更让人意想不到的是，酒店里的所有人只要跨出大门都会晕倒！队长周静之立刻亲临现场，召开紧急会议，部署工作，并重新启用徐天，与艾华一起全权负责酒店内部的安全与调查。
讲述的是明星歌手刘智娜（严正化 饰）与模仿歌手郑海棠（具惠善 饰）之间爱憎怜悯、错综复杂的人生故事。
《五星红旗迎风飘扬2》承接“两弹一星”的故事，从1970年4月我国第一颗人造卫星上天写起，着力塑造毛泽东、周恩来、邓小平等老一辈革命家运筹帷幄，在复杂多变和严峻的国际环境中，审时度势，从容应对，始终立于主动地位。为了维护祖国的主权、领土完整和民族尊严，他们进行的坚定而有理有力的斗争，在严重困难面前，他们带领全国人民，迎难而上，以不屈的姿态和昂扬的精神面貌去战胜和克服困难，终于走出了一条中国特色的社会主义道路。
前日还跟周三爷爷讨论此事呢。
① The design level is not satisfactory
小葱听得泪水涟涟：原来，他这里也有童年的梦。
小泽裕美（樱井日奈子）从小接受祖母的严格管教，憧憬普通高中生生活的她，也暗恋着学生会长进藤，此事被祖母知道后，她被锁入了储物室，却意外发现一座梳妆台，使得她变为一个人格完全不同的不良少女。
《9号秘事》是一部英式黑色幽默悬疑喜剧。一部只有短短的几集，每一集都讲一个独立的故事。每一集只有短短的半个小时，却以十分紧凑的剧情和片尾的意外结局让观众大为赞赏。
The original intention of the code was to set the background color of the div to # F90, but this effect was not achieved because the code was executed sequentially. When it was executed to document.getElementById ("# bg"). Style.backgroundColor= "# F90", it had not been loaded into the div object, so the setting could not be successful. Modify the code as follows:
The full name of DFU is Development FirmwareUpgrade, which actually means the forced upgrade and downgrade mode of iPhone firmware.
夏日的皇家训练营即将开始了，侯特妮公主来到了集中点。可是，即使到了开船时间，侯特妮依然没有听到自己的…
绵绵雨中，滕和林似乎看到了他们当年一见钟情的瞬……
传给您长生法术的陶仲文，助您扶乩的蓝道行，他们不是都已经死了么？传所谓长生道的人自己都已经死了，陛下为什么还要求长生？陛下您莫非认为只要抓住刑和赏的权柄，就不怕无人办事，天下就可以治好？这其实正是如今祸乱的根源。
