Require () source code interpretation
The policy mode is the packaging of the algorithm, which separates the responsibility of using the algorithm from the algorithm itself and delegates it to different objects. Policy patterns usually wrap a series of algorithms into a series of policy classes. To encapsulate the policy pattern in one sentence is to "encapsulate each algorithm into a different policy class so that they can be interchanged". The following is the structure diagram of the policy mode:
与此同时，天真可爱的小灰灰跟大多数的小朋友一样，开始认识这个快乐的世界，在学习的过程中，他总是有各种各样奇怪的问题，特别的想法，让一向自以为绝顶聪明的家长——灰太狼也穷于应付。为了让小灰灰走上“正”途，灰太狼出尽法宝，一心想让小灰灰出“狼”头地。可是小灰灰却在玩乐中与小羊
尹旭的言谈举止始终很潇洒。
以此和贴身护卫平武缠斗，顶羽才有机会控制宋义，继而将他杀死。
A prototype object is given. Q: How can this be done? A: It's very simple. Just give a prototype class directly.
Buy a mobile phone and you will open the Thai red flag.
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一个意外得到礼物的女孩能看到鬼魂。她将永远面对危险的事件，因为帮助这些鬼魂。她受到不相信神秘事物的摄影师的帮助。起初，他们互相争斗，但后来因为他们的亲密关系而变成了爱。
也别在我的书房里读书练字。
一天晚上，一直默默无闻的高中生抓住机会改变自己，开始过上精彩生活。然而第二天早上，她发现自己居然成了幽灵…这是在搞什么鬼？！
老一代运动员退役，新一代以更开放和包容的姿态站上舞台，在冰面上，两代运动员完成了体育精神的接力和传承，而陈冕也已经做好准备，代表中国站上2022年北京冬奥会的赛场。
不一般的关系，不一般的情感，引发出不一般的故事…… 女警张敏芝被派往深圳任职，住在罗芳区内。邻居一名老妇人称大嬷，年纪老迈，无依无靠，赵丽薇为疯妇一名，亲儿夭折，被男友弃，患上产后抑郁症，常以枕头或公仔当儿子，爱骂男人为负心汉…… 某日，大嬷的孙儿李浩强归来，但无故常被人追杀，敏芝调查得知美国黑帮杀手黑熊是寻找浩强，怎料黑熊误杀大嬷，丽薇发狂与黑熊纠缠，敏芝赶到现场救得两人，浩强说出因由，原来浩强早前潜往美国当黑市居民，于掌馆当杂务及拳靶，受到唐人街黑帮大少欺压，不慎误杀之，黑帮大佬派黑熊向浩强下江湖格杀令，浩强被迫往返家乡。但黑熊已率领众向浩强展开追杀，众人面临危机……
项羽苦笑一声，此女果真不一般。
他又对葫芦道：郑昊，本殿下念你此次立了大功。
"That's what I thought at first, But the actual situation is not that simple, '74 spray' this kind of thing, Each person carries up to three fuel tanks at a time, A fuel tank can only be sprayed once, The advantage of this is that it is sprayed very hard at one time, The number of times that can be sprayed is too small, The four CWs at position 149 each had only two ammunition bases, Is that each person has six fuel tanks, That is, a total of 24 fuel tanks, Before encountering these big wasps, Because of the fierce fighting, The four of them have already consumed 19 fuel tanks, The remaining five fuel tanks were divided equally among the four people. Only the old squad leader of the chemical defense class with the best injection technology took one more. This was to make the limited fuel exert more power as much as possible. After the first battle with the big wasp, all five fuel tanks were sprayed out and the supply could not be available for a while, but the big wasp did not die at one time. "Zhang Xiaobo said.
五年前，汪静雯因丈夫出轨受刺激住进一家精神病院接受治疗。五年后，忘却一切的汪静雯被父母接回家静养，本以为平静的生活却不断出现真实血腥的画面：一个无头男子正向她慢慢靠近……
(1) How to realize seamless docking on adjacent surfaces?
