日本一姐潮水rapper 目不暇

这一刻，张小凡崩溃了，仰天惨笑，声音凄厉：什么正道？什么正义？你们从来都是骗我。阮清恬与任浩铭，看似没有交集的两人，在一个充满阳光的清晨，无意中相识了。他们的相识，其实是一场孽缘的开始—任浩铭的弟弟叫任浩杰，是阮清恬的同学，任浩杰早就喜欢上了阮清恬，并且义无反顾地投入到对阮清恬的爱慕之中。徐风轻声笑了一下，见他松了手上的劲儿，就继续拉他的手往下滑。来一部唯美绝伦的仙侠剧，调节一下，或者干脆拍摄《寻秦记》，开启穿越剧大时代？陈启陷入思考。激动了一夜，第二天清晨，众军就早早地起来准备。Liskov Substitution Principle, LSP (Richter Substitution Principle) means that subclasses must replace their parent types. In other words, in the process of software development, after the subclass replaces the parent class, the behavior of the program is the same. Only when the subclass replaces the parent class and the function of the software is not affected can the parent class be truly reused, and the subclass can also add new behaviors to the parent class. In order to look at an example of violation of LSP principles, the specific code is as follows: