The principle of opening and closing means opening to expansion and closing to modification. When the program needs to be expanded, the original code cannot be modified, but the original code should be expanded to achieve a hot plug effect. Therefore, a summary of one sentence is: in order to make the program scalable, easy to maintain and upgrade. To achieve this effect, we need to use interfaces and abstract classes, etc. We will mention this point in the later specific design.
至此，张无忌从命运坎坷、倒霉悲催、断腿乡下青年曾阿牛一下变成了盖世高手、武林巨擎、天下义军头领。
You see the false side of a man
I myself am an opponent of this view, "a latest study." What study is this? [Researcher] What kind of researcher is this? There are many things that are actually meditated by irresponsible people such as laymen or editors of health magazines, and even deliberately put forward some seemingly novel and constructive opinions. Are you a researcher who stays on the weightlifting team every day and follows the strength lifters to train and track the competition every day? Don't pick up the window sill and see the training of the professional team with two eyes, so you dare to extend these eyes to common training methods.
? At the beginning of Station B, there were many MAD's of high quality. From these MAD's, you can see some interesting animation clips. After watching them, you will immediately look for the original movie to watch. Some music works, after reading it, are just kneeling down and begging for pictures and songs. At that time, my friends should really use love to generate electricity. They sincerely loved the second dimension. At that time, all kinds of high-quality works filled Station B, and there were many high-quality works to watch every day. It has become a habit to open Station B before tea and after meals.
HBO Asia全新中文原创科幻戏剧影集 《猎梦特工》剧情设定在不久的未来，一支由科学家和警察所组成的团队，试图破解罪犯意识深处的犯罪计画。故事从一名警察着手调查一起多名女子的失踪案件开始，却在办案过程中意外发现能够潜入他人梦境的神秘高科技，便借此进一步挖掘事情的真相。
For example, HTML code is as follows:
孤悬海外的侠客岛，每十年即派出赏善罚恶二使来到中原，强行邀请开林各大门派掌门人赴岛喝腊八粥。凡不接受邀请的门派皆被二使斩尽杀绝，而去了侠客岛的掌门人又个个渺无音信。三十年过去了，又到了二使再现江湖的日子，神州武林谈虎色变，人心惶惶。
一个女人，处理这些事情，操心不少，一丝不苟，唯恐出现错失，给夫郎造成什么损失和不利影响。
In the exchange, apart from the necessary schedule discussion, Sun Yimin's teacher and the person in charge were full of expectation and encouragement when talking about contemporary students, but they were more exclamatory about college students' employment, postgraduate entrance examination and entrepreneurship.
张槐失笑道：你姑姑如今可是姓张。
人都死了。
Let's first implement the following simple publish-subscribe mode. The code is as follows:
十二月，项羽大军渡过济水、大河，进入河北。
这时候阿磊才知道她是来自哈尔滨的，却不明白她要到三义去的原因，对于瑄瑄的行为也深感困惑。然而，短短的数天相处中两人的情感更加深厚了。
First, implement the following interface. Add corresponding log to the three methods of DispatchTouchEvent (), onInterceptTouchEvent () and onTouchEvent () in each layer of the interface and return the default super. You can also use this code: sample code. In the figure, we can think of Activity as the top-level parent View.
杨长帆这才说道，我自作主张，走得急了些，爹娘莫怪。
