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:
(1) Applying for cancellation on its own;
Emily Watson饰演苏联核物理学家Ulana Khomyuk，她致力调查切尔诺贝利的真相，好使未来不会再发生同类事件。但调查期间令她与想埋葬可怕秘密的人造成冲突，为了真相她得冒着失去自由，甚至生命的危险。Jared Harris饰演苏联科学家Valery Legasov，被克里姆林宫指派调查该事故。
最坏的结果怕是远不止此。
原是话剧演员的陈星借调到电视台，她的亮相极为成功，而陈星丈夫徐明皓面对妻子的光环颇感失落。陈星发现自己怀孕了，徐明皓却不太关心。陈星对胎儿越来越寄予厚望，不料胎死腹中查出是母体带梅毒。徐明皓得知后提出离婚。陈星失去孩子，工作，丈夫，并为舆论压迫，痛苦之中选择了自杀，被沈子强所救。后查出陈星患的是胎传梅毒，于是陈星查明生母的身世，了解到旧社会女性所受的苦难，决定作一期自己身世背景的《女性风景》节目，把误入歧途的女孩拉回到阳光下。
高中生简·希普利（JaneShipley）试图修复与儿时好友梅里特（Merritt）的分裂关系，并融入叛逆的同龄人。当Jane的数学老师越界时，冷漠的高中管理层迫使Jane和Merritt自己处理事情，使他们的关系陷入进一步的混乱，并引发致命的后果。
李斯已经七十岁了，为了尹旭的事情，可能也是他生命最后的全部期盼。
在遥远的十二号行星阿莫伊上，存在着一个扭曲的社会。这个社会由巨型电脑朱庇特所掌控。为了净化基因，人类被放逐了，一般的生育方式被彻底抛弃，朱庇特通过直接操控基因的方式，制造出了一大群更加完美的生物体，他们美丽，强壮，聪明，但冷酷无情、野心勃勃。这群所谓的“超人类”成为了普 通人类的统治者，他们通过发色来区分等级，其中，黑发和金发，分别处于等级的最底层和最高层。
则卷千兵卫博士打算制作个机械女仆，万万没想到造出来了力大无穷而且视力有问题的则卷阿拉蕾，这个爱闯祸的机器女孩，加上一堆乱七八糟的故事，嘲笑了几乎所有当时日本流行的卡通人物：永远也帮不上忙的爱吃话梅的超人；咸蛋超人只是画面的补白；日本的名产--怪兽与人类共同居住还一起玩耍。
在未来的某一天，地球上除了Phil Miller，好像就没有别人了？！
又说这郑昊年前在边关战死。
National key scenic spots. It is a barrier to the north of Quanzhou City, with an altitude of 498 meters and an area of 62 square kilometers. The main scenic spot is 3 kilometers away from the urban area. The wonder of Qingyuan is based on stones, and the spirit of Qingyuan is based on springs. Yuan people praised "the first mountain in Penglai, Fujian Sea". "Qingyuan Dingzhi" is one of the ten sights in old Quanzhou and has always been visited by tourists. According to Quanzhou government records, Qingyuan Mountain was first developed in the Qin Dynasty. In the Tang Dynasty, "Confucianism, Taoism and Buddhism" competed for land occupation and management. It had traces of Islam, Manichaeism and Hinduism and gradually developed into a famous cultural mountain with various religions. The scenic spot is full of flowing springs and waterfalls, strange rocks and caves, green peaks and trees, The cultural landscape dominated by religious temples, temples, literati academies, stone treasures, stone carvings, stone structures, stone carvings and other cultural relics is found in almost every corner of Qingyuan Mountain. There are 7 and 9 large stone carvings of Taoism and Buddhism in the Song and Yuan Dynasties, nearly 600 cliff carvings in past dynasties, 3 granite wood-like Buddha chambers in the Yuan, Ming and Qing Dynasties, and the pagoda of modern eminent monk Master Hongyi (Li Shutong) and Master Guangqin. Since ancient times, Qingyuan Mountain has been famous for its 36 caves and 18 scenic spots, especially Laojun Rock, Qianshou Rock, Mituo Rock, Bixiao Rock, Ruixiang Rock, Huruquan, Nantai Rock, Qingyuan Cave and Cien Rock. Among them, six Qingyuan rock statues in Song and Yuan Dynasties, represented by Laojun Rock, are listed as national cultural relics protection units.
可是他们今天忙的很，没空出诊。
我要上……那个去字尚未喊出口，就被水给淹没了，小女娃不由自主地被灌了两口水，湖面冒起一串水花。
一群勤劳的道路工人在一对争吵不休的父子的带领下，意外惊醒了一个古老的爱尔兰吸血鬼，他们必须熬过这一夜。
Step 3: iPhone Enters DFU Mode Key Operation Comes!
该剧讲述了人工智能时代下，会说话的酷狗小八和它的动物加机器人朋友们帮助人类屡破奇案，以及萌宠、机器人和一群90后之间的情感故事。美君奇龙依然暧昧不清，众人开办机器人餐厅，为西西里安排相亲，萌妈熊爸齐上阵，闹出一系列啼笑皆非的趣事。更有散打王、大板牙等恶势力出现，挑战大侠小八。众人和机器人、猫狗一起推理破案，像柯南每两集破一案，不过他们的最终最强大死敌，是能和ALPHA GO叫板的超级机器人黑客黑暗信使。本剧以人物（及萌宠）的命运为主，爱恋贯穿、轻松搞笑、悬疑烧脑、又有爱与死的永恒煽情。
What the hell... … …
