For interface programming, a lot of changes that may occur in the system in the future can be isolated. Why? If the code is written for an interface, he can implement the interface with any new class through polymorphism. However, when the code uses a large number of specific classes, once new specific classes are added, the code must be changed. Violating the opening and closing principle.
丁洋在女子脸上吻了一下，然后轻轻地关上门，离开了。
忙高兴地笑道：我叫黄杏。
In this regard, two achievements jumped out.
4. After opening the WeChat application, two WeChat icons will appear on the desktop of the mobile phone.
4.? Write Attack Program
叶繁星年纪轻轻就成为知名主播，男友肖寒同样事业有成。繁星人前风光，心中却藏有隐衷。十多年前，妹妹意外走丢，母亲变得性格偏执，繁星为安慰母亲只能选择代替妹妹而活。闵四月的出现让繁星收获了难能可贵的友谊，而傅夏的追求则让繁星和肖寒的地下恋情经受考验。偶然间，傅夏发现繁星的男友是自己的舅舅肖寒，他只能忍痛退出，默默守护。繁星则发现四月暗恋的正是肖寒，惊愕之余竟又得知四月是当年自己丢失的妹妹，而收养四月的就是繁星的生母。得知这一切后，繁星只想独自扛起秘密，以维系所有人的幸福，但她的隐忍和努力在真相面前反而显得欲盖弥彰。怀抱着希望和坚持，她冲破重重误解，最终重建属于自己的完美人生。
Subject interface and implementation class:
Or this
At that time, The helmets worn by our army are GK80 bulletproof helmets. After understanding, I am sure that Zhang Xiaobo is wearing this model. The material used to make it is 232 bulletproof steel, which has excellent performance and has good protective effect on various high-speed flying hard objects such as fragments and rubble lifted by explosion. However, because it is a pure metal helmet, it does have the disadvantage of being sultry when fighting in hot conditions.
因为这样的情况，在南方行走，船只的作用更大一些，故而素有南船北马的说法。
大苞谷笑眯眯地说道：我可不是就这么说的。
个性迥异的姊妹，相依为命、各自人生。
For the advantages we mentioned, the second point is that we can understand the virtual agent below. The virtual agent is used to control access to the ontology with high creation cost. It will postpone the instantiation of the ontology until a method is called. For example, if the instantiation of an object is very slow now, it cannot be completed immediately when the web page is loaded. We can create a virtual agent for it and let it postpone the instance of the object until it is needed.
在橘子群岛一带旅行的小智等人，某日在乘船时意外被暴风雨吹至当中的一个岛屿-亚西亚岛，当地适逢庆典，他们结识少女芙芦拉等居民，并得知流传岛上的古老传说。 就在同时，贪婪的收藏家吉尔露太，为了满足自己的收藏欲望，捕捉了传说中神圣不可侵犯的的火焰鸟与闪电鸟，甚至想进一步捕捉急冻鸟，以引出传说中的海之神-洛奇亚，致使传说成真，各处气候变异、世界步向毁灭，小智决定挺身而出前往化解危机....
澳大利亚SBS的犯罪喜剧《不寻常嫌犯 The Unusual Suspects》已在悉尼开拍，2021年播出。 这部4集迷你剧以悉尼东郊的高档住宅区为背景，讲述了一条价值数百万项链的失窃，以及来自不同行业的女性聚集在一起以确保正义得到伸张。
一意孤行的硕泰，越来越不满的上线组织，始终追查白魅的警官，华颐的命运被卷入漩涡之中……
Windows/Linux
直到有一天，他被骤然爆发的血雨腥风抛向了命运的惊涛骇浪，欲逃无路，欲罢不能。从此，十分惜命的草根贱民板凳与命悬一线的中共党员唐雪梅及其“女儿”小女孩红儿，结下了不解之缘，彼此间发生了一连串的恩恩怨怨、分分合合，以及心灵的碰撞、情感的纠葛。而令板凳命运突变和陡转的那一天便是1927年4月12日。
