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十八岁的拓海（周杰伦饰）每天驾着父亲（黄秋生饰）残旧的汽车送递豆腐，却无意中练得一手出神入化的飘移技术。对汽车毫无兴趣的他被父亲怂恿参加山路赛，以平日送货的旧车越级挑战著名赛车队，赛果似乎早已定断。岂料拓海竟在众人错愕之下胜出，一夜成名，更激发起他遗传的赛车欲，不断面对一连串惊险绝伦的挑战赛！One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.朱德生于贫苦农民家庭，参加了蔡鄂领导的云南起义，成为滇军名将。后由于滇军内部斗争，朱德赴欧洲留学，结识周恩来并加入中国共产党。回国后，他参加八一南昌起义。南下时，朱德任先遣军指挥，在主力攻打潮汕失败后，朱德率领的部队成为保存下来的一支革命火种。井岗山会师后，朱毛红军名扬天下，并在瑞金建立中央革命根据地，粉碎国民党四次反“围剿”。第五次反“围剿”中，中央革命根据地丢失，红军不得不进行长征。长征中，朱德为争取四方面军，三过雪山草地，终于带领二、四方面军到达陕北。抗战爆发后，朱德任八路军总司令，领导了平型关大捷，百团大战等著名战役。解放战争中，他与毛泽东一起指挥三大战役和渡江战役。新中国成立后，朱德勤政为民、克勤克俭、作风民主、实事求是Completely crazy and ridiculous哦？韩信心中一惊，张良看透了自己的心思？心中很是疑惑，问道：先生可知寡人在为何事忧虑？有什么办法解决吗？张良道：齐王担心的与汉王完全一样，那就是如何避开项羽的拼死反扑，顺利击败西楚国。余下的一把火烧了，带不走也不能便宜了秦军。Is to create a factory class to create instances of some classes that implement the same interface. First, look at the following diagram: