Is to define a main method calculate in the AbstractCalculator class, calculate () calls spilt (), etc. Plus and Minus inherit the AbstractCalculator class respectively, and implement the call to subclasses through the call to AbstractCalculator, see the following example:
We often typeset the documents after Word writing is completed to achieve satisfactory results. Here, Mr. Yi will share with you some practical Word skills for handling manuscripts. These skills are often used in ordinary office work. If not, they will be OUT!
奉命出使西域的张骞被匈奴人俘获。曾经满怀抱负、心怀高远的张骞被流放至漠北牧羊，在荒芜之地一待就是十三年。幸得匈奴女子阿诺兰的爱与陪伴，张骞度过了人生当中最艰难也最幸福的一段时光。
以“电影与舞台剧”的青春群像物语～松居大悟穿梭于“现实与虚构”之间的华丽映像。之前与松居大悟合作过的音乐组合MOROHA将担任本片音乐制作，而时尚设计师KEISUKEYOSHIDA也将做为“衣装设计”首度参加电影制作。 本片入围了今年东京国际电影节的日本映画・一种关注单元，2018年春公映。
《恋恋江湖》是根据籽月小说《谁说江湖好》改编的的极具少女心的高甜武侠轻喜剧。讲述了在架空的历史时代里，门派纷争的江湖乱世中，花痴女孩于盛优如何不忘搞笑地追寻真爱，随后一步步完成成长，最终挫败一桩邪恶阴谋的故事。 由北京爱奇艺科技有限公司出品、归艺影视文化（北京）有限公司联合出品，上海合马影业投资有限公司、上海小丹影视传媒有限公司制作。
一边又含泪道，葫芦哥哥小时候就闷不吭声，他这家伙总是不到最后不会出声的……郑葫芦，就是个闷葫芦。
落红。
《孤芳不自赏》落地在魏晋南北朝，剧中事件按小说设定，是真实历史背景下的虚构故事。男主角楚北捷和白娉婷之间的虐恋可谓是引发了一连串的矛盾爆点，两人本是敌对关系，白娉婷一次次要置楚北捷于死地，楚北捷就一次次地容让。晋国国君一次次地想要除掉白娉婷，楚北捷一次次舍命维护。而白娉婷的内心逐渐变得柔软，甚至愿意牺牲自己来保全楚北捷…
Some "researchers according to * * * research" always confuse their career with their amateur and make some marginal suggestions. There are also some coaches or training methods that are too professional. From the perspective of improving the national competitive level and striving for gold medals, they are determined to improve the limits of human body. For amateurs, there are also some undesirable points and they should have their own judgment. Also don't follow professional teams too much, such as the training methods of professional athletes in sports schools. The selection and training system of professional athletes are different. They begin to receive basic training of various specialties before they are 10 years old. After climbing to the provincial team, they have been trained for nearly 10 years. It is purely uncomfortable to copy and use the training plan of professional athletes. For example, Tian Tao did not practice much strength in the first three years of joining the provincial professional team, but jumped for three years. If you want to follow the current training system of others, you can jump for three years first. The same is true for other sports. The foundation and talent are different. Don't think that the advanced training method of professional teams is the unique martial arts in the world. A professional training system and the promotion and popularization of sports are basically two different things.
即将成为新娘的阿红满怀喜悦等待着披上婚纱的神圣的时刻，然而等来的却是未婚夫陶晓夫为朋友而杀人的消息，一年后，他们在狱中举行了婚礼。既要给狱中的丈夫以精神力量，又要支撑一个没有男人的家，十二年的艰辛磨蚀着阿红瘦弱的身体，当晓天请假来到阿红身边时，患了白血病的阿红已经病到在地，她唯一的要求就是希望晓天带着她去看海，看海的路上也并不平坦，阿红用尽生命最后的一滴血，化解了人世间的仇怨，也走完了她艰难无私的一生，该剧宛如日本电视连续剧《血缘》的中国版。
偷袭成皋？还在鏖战？略微思索之后，李左车询问道：越国投入多少兵力？战斗激烈吗？至少有好几万吧……成皋东门似乎都有些支撑不住了……齐国探子担心被越军抓获，并不敢太靠近，因此只能得到这样一些消息。
卢绾素日里和周勃的交情不错，人已经死了，追究是非对错已经没有什么意义。
第二天清早，徐风在厨房顶着黑眼圈煎蛋，不小心就把蛋给杵破了，没办法，只好再重新煎一个。
周菡连连点头，想起板栗。
5.「穿衣镜」
讲述曾经哪个街道都存在着的复古且可爱的喫茶店。你不想知道更多关于这种隐藏的老铺子的事吗？滞销的漫画家、妄想家的男人将造访日本各地的喫茶店，希望每个人都会从主人公的角度爱上纯喫茶。
Public void update () {
刘邦一听霍地站起身来，樊哙更想冲回去一探究竟，却被项梁阻止了：正如沛公所言跳梁小丑而已，小事。
Gold closed negative around the countdown, falling nearly US last year, lower than the weekly close since early December this year and the longest consecutive decline in first-line contracts since August 17, 2018. At this stage, Western European currencies are dragged down by worries about economic development, while Canada's economic development is relatively marginalized, which makes the US dollar appear more marginalized and puts pressure on the stagnation of silver prices. Spring Festival 4 fell to its lowest level in 2019, hitting 1,271.26 US dollars, as a series of strong economic development statistics boosted US dollar demand and silver prices were further dragged down. As of this week's closing price, the silver price was 1,275.52 USD/oz, up 1.16% per week.
天马贤三被称为天才医生，在西德留学研习医术。因为他卓越的医术而被爱斯勒医院院长和同事赏识，更是被院长千金爱娃所爱慕。 然而，就在天马春风得意之际，因为一次违抗院长的命令救了一名生命垂危的小男孩约翰，之后他的生活完全发生了变化。他牺牲了自己的一切拯救了那位男孩，却没想到自己亲手复活了杀人怪物——“MON...
