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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:要限制住这个崽子。为香港电视广播有限公司拍摄制作的时装家庭温馨电视剧,由马德钟,唐诗咏,鲍起静,杨明及王君馨领衔主演,并由杨卓娜,车婉婉及黄嘉乐联合演出。Copper-clad steel raw materials have poor softness, overall stiffness and short limited transmission interval, and can be simply touched by magnets to attract each other.幼年的慧英有着幸福的童年，父亲郑俊锡是大财团老板的儿子，他因违背父亲的意愿与女工朴缨子结婚并生下慧英，而几乎与家里断绝了来往。同他们生活在一起的还有寡妇宋女士与金女士以及宋女士的女儿秀芝。俊锡十分疼爱慧英和秀芝，经常带他们一起出去玩耍。凯文·哈特将饰演一个虚构版本的自己，他一直想当动作电影里的主角。此时他意外遇到一位大牌导演，而两人的相遇将会引发一连串事件。项羽自然对因此暴怒，田荣知道项羽或许会以此为借口，向自己开战。