The Context class is a context class, and Plus and Minus are implementations for calculation respectively. The code is as follows:
15. Observer Mode
人群霎时静了下来。
张老太太忽然想起什么，又叮嘱张槐和郑氏道：也不要管太严。
郑允.和艺珍是两位性格截然不同的女性，但她们不知道自己的心在不知觉里竟已沦陷在对方的世界里。黑暗吞噬的那天晚上一切都开始变了。
The plot I remember was said when I hit the master of the object room, that is, when I grabbed the last headband.
邱有顺(阿翔饰演)，满脑子想捞钱的山寨版达人，他的滑头个性，是否会在军纪如山的新训中心被彻底改变？
李尚允饰演男主人公徐道宇，是一名建筑学专业的讲师，拥有总是能令人愉快的性格。徐道宇与妻女享受平凡的生活，突然卷进某件事件中，陷入困顿，并且崔秀雅也慢慢渗透进他的生活。
公差突然想起了什么，又从囊中翻出一纸书信，这是知县写给杨老爷的。
本片将纪实性地展现主人公针锋相对的生死冒险，犯罪者的凶残狂妄、受害者的冷静求存、刑警团队的英勇无畏，都将在警匪对决中精彩呈现。
封住口鼻后，谢逊没有停下，又走到一个武林豪客处，用手指写下一个名字。
该片由马克·史蒂文·约翰逊执导，改编自美国历史上一次的真实银行抢劫案件。
Let's start with the simplest hot spring egg. Hot spring egg is not actually Sous Vide, because it does not need to go through the vacuum sealing process, and its name also well explains its manufacturing method, that is, let the egg soak in a hot spring ~
The new parameter that will be used as ENTRYPOINT will prevail, so port 85 is accessed.
Quanzhou Forest Park is located in Donghai Town, Fengze District. It reaches Daping Mountain in the west, Quanzhou Bay in Houzhu Port in the east, Tonggang Road in the south and Luoyang River estuary in the north, with a total control area of 547.1 hectares.
Austria-Hungary: 300,000
The third adapter mode is the adapter mode of the interface, The adapter for the interface is as follows: Sometimes we write an interface with multiple abstract methods, When we write the implementation class for the interface, All methods of the interface must be implemented, This is obviously wasteful at times, Because not all methods are what we need, Sometimes only a few are needed, In order to solve this problem here, we have introduced the adapter mode of the interface. With the help of an abstract class, the abstract class implements the interface and all methods. However, we do not deal with the original interface, but only get in touch with the abstract class, so we write a class, inherit the abstract class and rewrite the methods we need. Take a look at the class diagram:
亲兵道：不错，萧功曹和小的本也将信将疑，却不得不信。
初出茅庐的美术编辑陈嘉欣和接受精英教育的企业继承人王析翊，偶然相遇在开往匈牙利的邮轮上，互生情愫，迅速步入婚姻殿堂。婚后不久陈嘉欣怀孕，决心放弃工作全身心投入家庭，却不幸意外流产，伤心离开，远赴匈牙利求学。经历了一系列的磨难和朋友相助，最终成长为新锐陶艺师。错失爱人的王析翊默默等待七年，体会到成熟男人应该承担的家庭责任与事业担当。与陈嘉欣偶然重逢匈牙利，终获原谅，携手共度人生的种种难关，共同成长。
