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:
官方剧照(9张)
看来对他们必须强硬起来，否则真以为咱是个软柿子。
Define a factory interface. Q: How will it be realized? A: Declare a factory abstract class
本作品是由执笔《午夜凶铃》系列的作家铃木光司创作的原创恐怖作品。以郊外的新生医院为舞台，描写了围绕医院的黑暗一个接一个变得明朗的样子。
Or strength lift squat belt (in fact, there are also special belts for horizontal push), with the same width before and after, generally more than 10cm, thickness more than 10mm, and high hardness. Very heavy. Due to the heavy weight of the force lift squat and the greater pressure on the waist and abdomen, the harder the better. When wearing, the force is generally pulled tighter and even needs the help of external force.
赵耘哈哈大笑，赵翔和香荽也笑了。
德国ARD和ZDF电视台联合推出。讲述了一个手机APP下载后 只要你完成相应任务就能满足愿望，一开始这5个年轻人的愿望很单纯，后来随着事态发展，内心的欲望被打开，当邪恶逐渐被揭露，他们的生活再也回不到过去了…….
宋锡濂部军官陆剑雄（刘烨 饰）协同战友与日军展开了激烈的巷战，他们微弱而顽强的抵抗最终被压制，数以万计的中国军民成为俘虏，在枪炮声中血染长江；金陵女子学院安全区，女教师姜淑云（高圆圆 饰）奔波往复，尽力帮助和拯救所有来此避难的同胞，但兽性大发的日军早已虎视眈眈盯上了藏身于此的妇女；拉贝的秘书唐先生（范伟 饰）小心应付，委曲求全，为了保护家人而做出错误的选择，他也为此付出代价；舞女小江（江一燕 饰）纵使逃亡避难也不愿抛却女性的柔媚，她在关键时刻的选择则在其女性的外壳下注入一份刚强；日本人角川（中泉英雄 饰）随部队进驻这个千疮百孔、破败不堪的城池，在这个人间炼狱，他的心灵感受到前所未有的巨大冲击。
I nodded at this passage, Understand that what Zhang Xiaobo said is indeed reasonable, It is not a lie, Here I think it is necessary to give you one thing about popular science. So we have to say something digressive: The result of a real bullet hitting a petrol tank is not the same as that shown in most movies. One shot can explode the petrol tank, But this is not the case, Although a pure metal projectile will rub against the air at a speed of hundreds of meters per second to generate equivalent heat, And will produce sparks after hitting the metal oil drum, But none of this is enough to ignite petrol, Especially for gasoline with a large total amount, to ignite gasoline, please remember one thing-open flame must be used. In addition, gasoline is a flammable item, but it is not an explosive item in the true sense. Only after reaching a certain total amount can explosion be caused. If the total amount is insufficient, it can only cause combustion without explosion.
毛小慧（郑裕玲）乃典型城中事业女性，美丽聪明，自视甚高，努力工作之余，感情上落得一片空白，每天暗地期盼真命天子的出现。一天旅行归来，公司起了翻天覆地的变化，老板竟安排了一个放浪不文、恶名远播的古惑师爷余乐天（黄子华）担任慧的助手，令慧苦不堪言，啼笑皆非。
Wonder乐园的常务具瑞镇虽然是有财有势的富三代，但是他是一个不喝酒，不赌博，不开车、不运动、不外宿、不外出、不恋爱、不结婚的人物，因童年时代经历恐怖意外留下创伤，形成心理缺陷，至遇上性格开朗活泼的张荷娜敞开其心扉 。
十年前，帕波（泰勒·席林 Taylor Schilling 饰）大学毕业后结识了一名女毒贩艾丽克斯（劳拉·普莱潘 Laura Prepon 饰），与她成为恋人并随她环游世界，后来在她要求下参加了一次运毒行动。时过境迁，帕波离开了艾丽克斯，过上正常生活。一天，她和未婚夫（贾森·比格斯 Jason Biggs 饰）被警方告知，十年前那桩贩毒案被破获，帕波遭到逮捕。帕波主动来到女子监狱服刑，为期15个月。面对监狱的新环境，初来乍到的帕波感到不知所措，糟糕的是她还不小心得罪了厨房负责人红姨，遭到红姨的报复。不仅如此，她还在监狱里重遇了昔日女友艾丽克斯。
你是来找我的？是谁派你来的呢？尹旭大量的同时，郑重询问。
FX电视台已经续订了《美国恐怖故事》第七季，将于2017年开播，剧集的创造者瑞恩·墨菲与布拉德·法尔查克将再度联手。
Red Net Time, April 22 (Reporter Hu Yi and Correspondent Zhao Cheng) On the evening of April 19, Super Net Comprehensive "I Am a Singer" ushered in the second knockout round. Eight singers and songwriters all brought the second original song on this stage. In the face of high-pressure and high-intensity programs, Wang Sulong, a powerful singer-songwriter, brought a self-described original song "Odd" in this issue after bringing a "Seed" of "Sing to Everyone" in the previous period.
为了打造千骑系统，天津垓指使亡去给灭亡迅雷站送密钥，与灭的接触以及天津垓对待属下的恶劣态度，让亡动摇不已。千骑诞生后，功不可破的亡却并没有得到好下场……\\"
Efforts should be made to ensure that the personnel present at MDT meetings can attend, and communication and coordination should be carried out when necessary.
小弟海威，为了『回家』，他逃出保育院，变成混迹江湖的小流氓。
