Reason for selection: TFBOYS is the only combination of the four options.
This principle means that there are no methods in each interface that subclasses cannot use but must implement. If not, the interface must be split. It is better to use multiple isolated interfaces than to use a single interface (an interface where multiple interface methods are assembled into one).
Public int calculation (String exp) {
Static Factory Method Mode
除了将帅，其他兵士不论大小，都算一样战力，不然打起来就乱套了。
It is understood that the medical systems of most foreign countries are divided into government public welfare hospitals and market-oriented private hospitals. As for government hospitals, some countries are free of charge, some countries have universal health insurance, and some countries have low fees. Government hospitals cannot be luxurious and have to queue up for a long time. As for private hospitals, the government departments in charge are very strict in supervising private medical institutions and practicing doctors to strive for middle-income and high-income patients and obtain benefits with the hospital's medical technology, reputation and excellent environment.
(seven) other materials stipulated by laws and administrative regulations.
电视剧《战金岭》由曹炳琨、马丽、武强等实力派演员领衔主演，正在北京怀柔景区紧张的拍摄中，讲述了一个足智多谋的党员诗人在穷山恶水的绝境中，历经两段凄美的旷世绝恋，智斗恶煞匪军和日本忍者团，最终与国民党在力量与信仰的对抗中胜利寻得黄金矿脉的故事。缠绵悱恻的爱情、惊心动魄的夺宝冒险奇遇、充满传奇色彩的英雄人物以及超强热播剧制作班底，令《战金岭》一开拍便吸引了各方关注。
There are three kinds of factory modes: simple factory mode, factory method mode and abstract factory mode. All three solve one problem, that is, the creation of objects. Their duty is to separate the creation of objects from the use of objects.
据说很小。
累计消费积分达3000点就能换到OX食品公司赠送的机器人。这台超努力的小小机器人突然来到不擅长做菜的ＯＬ和独自在异地工作的人身边，它提供的不只是热腾腾的饭菜而已…今天也让某人感受到忍不住会心一笑的幸福。用食物构筑出一篇篇温暖人心的感动故事
酒店是一个小型的人生舞台，交错出各式人等的喜怒哀乐；偷情男女以为在斗室里可以避人耳目，却发现偷拍机器林立；酒店对头人四处招摇，惹人笑柄；情场浪子被复仇女子左右伏击；员工间的三角恋、暗恋团团转……这是部明星云集的爆笑喜剧电影。
当莉娜试图确定自己真正属于哪里时，她面临着自己的命运：1905年还是2019年？和亨利或麦克斯在一起？有朝一日成为一名员工，还是选择嘻哈事业？找我在巴黎第二季8月16日首映。
这时，卡基斯出现了，他对菲欧一见钟情。为了争夺菲欧的爱，卡基斯向罗森提出决斗。于是两人再次浴血蓝空。
转向绿菠，绿菠，明天再来玩。
海王是美国慈恩港灯塔看守人与海底之国亚特兰蒂斯女王所生、拥有半人类、半亚特兰蒂斯人的血统，从小就展现出了远超常人的各项体能、以及能在水下自由活动与呼吸、并和海洋生物沟通等异于他人的能力。
风尚集团继承人尚铂燃为找出母亲离世的真相而秘密潜入时尚杂志社，在偶遇天真乐观的职场新人鹿小葵后，二人阴差阳错成为了职场对手兼同居室友，相互“厮杀”的同时对彼此逐渐产生好感，最终一起完成“复仇”大计并收获爱情
It is true that by classifying and recycling different waste packages, waste plastic packages can be prevented from being mixed into domestic waste and the waste treatment cost can be reduced. In many streets and communities, there are also classified garbage bins with the words "recycled" and "non-recyclable" written on them, but it is also very common to throw them away without looking at the classification at all. Li Li said: "The State Council has issued an action plan to promote the recycling of domestic waste. All localities are also working out corresponding implementation plans for domestic waste classification. Beijing has proposed that 90% of the residential areas should be piloted for classified recycling by 2020. I think the vision of building a beautiful China can still be realized as long as the enthusiasm of the public is really called up. "
