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:
"I remember we had a very clear division of tactics at that time, First, adjust all the automatic rifles in hand to semi-automatic shooting mode, Of the 15 men, apart from the gunners and the bazookas, Most of the others use '81 bars', There are also a small number of 63 types, I'm using the 63, One of the characteristics of this gun and the 81-bar is that the single shot accuracy is especially good, Even better than '56 and a half', Much better than 56 Chong and some Mao Zi guns captured from the Vietnamese, At that time, in order to give full play to this advantage in precision, The company commander ordered us to use this tactic, The concrete implementation is to use heavy machine guns to suppress fire in hidden places, In addition to killing as many enemies as possible, If the enemy takes tactical actions such as lying down to avoid shooting, Then use machine gun fire to limit its movement range, That is to say, they are suppressed in situ, and then rifles are used to give full play to the advantage of high semi-automatic shooting accuracy, giving them "roll call" one shot at a time. This tactic is still very effective in dealing with the first and second large-scale attacks, with extremely high efficiency, and almost all the Vietnamese troops who came up were killed on the way to attack.
周菡听说红鸾这样好，心里越发难过：玄武侯定是舍不下她了。
A person's thinking determines what class he is in.
男生堆里的女生
Public void method1 () {}
女孩含着笑，含着泪，讲述着自己的故事。
而对他们自己而言，他们只是有血有肉的人 有爱有恨，有喜有悲，身在大千世界，心怀大千世界
他越国大军强势，现在纵横南方我们谁也干涉不了。
只是，她又不是才入军营，她已经在军营里呆了几个月了。
林森，朝九晚五的上班族，自觉工作索然无味又无力改变，暗恋一个女孩许久，也没有勇气结识。终于，在损友哨子的怂恿下，偷了女孩的包，试图通过还包制造邂逅的机会，不料却发现包里有一袋钻石，价值数百万，哨子财迷心窍，想据为己有。随即，事情开始失控，如蝴蝶效应般一发不可收拾，意外接二连三，各路人马纷至沓来，秘密阴谋层出不穷，险像环生。本来一件“偷包泡妞”的小事，却将两人推进了深不见底的漩涡……
《林中迷雾》跨越两个时间段：1994 年和 2019 年，讲述了华沙检察官帕维·科平斯基的故事，他至今仍沉浸在二十五年前失去妹妹的悲痛中，妹妹在参加夏令营的一个晚上走进一片树林，之后就再也不见踪影。但现在，一名凶杀案受害者（与帕维的妹妹一起失踪的小男孩）的出现揭示了与她的失踪有关的线索。这让帕维心中燃起了希望，认为妹妹还活着，但家族过去的危险秘密却会让他一直努力维系的一切分崩离析。
唐僧被妖怪捉走，剩下的孙悟空、猪八戒和沙僧却又因为信任危机而争执不休，一时间情况十分危急。原来，沙僧曾是误入歧途的半妖，却在千钧一发之际得到了降龙伏虎罗汉的点拨开悟，重回正道。如来佛祖将一项非常重要的任务交给沙僧，这项任务，便是暗中帮助西方之星石猴孙悟空。 一番波折之后，三兄弟总算解除了误会，并且追随着线索来到了异层空间，在这里，等待着他们的是强大的幽冥四天王，只有闯过他们所镇守的四煞宫，才能够打破结界，救回唐僧。然而，为了救回师父而英勇奋战的沙僧等人并不知道，他们已经落入了由太岁特种部队头目精心设下的圈套之中。
《守护者的崛起》故事讲述的是一个叫做“Pitch”的坏蛋一心一意要在各地的孩子心中引发恐惧从而接管世界，为了阻止他的邪恶计划，圣诞老人（Santa）、牙仙（Tooth Fairy）、复活节兔（Easter Bunny）、沙人（Sandman）、雪人（Jack Frost）以及一群超级英雄破天荒地首次团结在一起共同应敌。
上水村村主任钱大宝在为女儿办毕业宴会的时候，发生了食物中毒，全村几十人一下住进来了医院，而引起食物中毒的罪魁祸首是用污染的水浇灌出来的青菜。人命关天，但钱大宝却不相信这个事实，虽然上水村只有他弟弟钱二宝开的一个工厂，但他相信他弟弟的话，这个工厂有排污设备。而承包水库养鱼的满一花却一直盯着钱二宝的工厂不放，因为污染在水库里表现得最为明显，她养的鱼在市场中卖不上价最后竟然无人要了。
《英雄豪杰》是女艺人们访问各种团体，为了帮助他们在人气对决中取得胜利、实现他们的愿望的节目。
Senior investigative reporter Cao Linhua once shared that if reporters want to collect news that others cannot collect, they must learn to use various resources and contact various clues to achieve the purpose of the interview. If necessary, you may need to be an actor. He once played the role of the child's uncle and disguised himself as a street fighter in order to get to the truth of the news in front of others. He was also misunderstood as a gangster by the driver master because he reached a late-night escape from tracking. However, in order to obtain news facts, the performance still needs to be performed.
韩桂茹在插队时与安国庆相恋，后被其无情抛弃，从而跳河自杀。命是救回来了，但是终身不能再生育。四十年后，韩桂茹在户外排练时中暑，被闺蜜吴英送至附近的“夕阳红乐园”休息。二人发现“夕阳红乐园”的老板正是安国庆。如今的安国庆虽然实现了年轻时的理想抱负，却尝尽了“众叛亲离”的滋味。安国庆现在的心愿有三，一是弥补韩桂茹的痛苦，二是求得老友许慕的原谅，三是找到自己失散的女儿。
看到陈文羽去意甚坚，陈启也没有再强留，把陈文羽送到车站。
