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:
该剧讲述亚瑟·麦考伊(库珀饰)和臭名昭著、独来独往的赏金猎人红色比尔(布斯饰)为期8天的冲突展开。红色比尔以斩断受害者的头颅并将其塞入一个肮脏的黑袋子而闻名。该剧与经典的意大利西部片相呼应并向其致敬，讲述了赏金猎人、土匪和血腥的仇杀，以及被信仰、爱情和复仇等激情驱使的孤独灵魂。
Later, the battle was the same, and it was fought several times over and over again. The ammunition consumed most of the time. The front of the position was covered with enemy bodies. I remember that after resisting the fifth attack, the Vietnamese army stopped there. It did not launch any new attack for a long time. Until more than 3 pm, the Vietnamese army actually "let dogs bite"! I was so impressed by the way the dog looked, The appearance is about the same as that of the domestic dog in my hometown. But there was no hair all over her body. The two eyes are still very far apart, The key is to run very fast. There was some grass in front of the position, and craters were everywhere bombed by the subsequent shelling. The 152-meter shell was a large crater with a diameter of 5 or 6 meters. However, this kind of "dog" can easily cross one with one jump, and there is no need to slow down in continuous jumping. The speed of impact is definitely not comparable to that of human beings. "
陈启会为了这些，买了自己？……喂，小白。
来者以胡宗宪为首，浙江都司指挥使参将在侧，三人微笑进账，胡宗宪也不等对方起身，便自行找了位子坐下。
MyEvent +=Print;
安妮玛丽(Kate Bosworth 饰)是位酷爱冲浪的美国女孩，为了参加一年一度的全美冲浪高手大赛，她选择远离温暖舒适的家，而住在夏威夷海滩边一间简陋的小屋里。和她同屋的还有另外两个志趣相投的女孩，三人展开了艰苦的训练。但比赛的日期一天天逼近，安妮却遇到了自己心目中的理想男孩。爱情和冲浪，她到底该如何取舍呢？
位于亚洲中部的十字路口，极端主义和恐怖主义构成巨大挑战，代价则是人们的生命。据不完全统计，自1990年至2016年底，在新疆地区发生了数千起暴力恐怖案（事）件，造成大量无辜群众被害，数百名公安民警殉职。出于安全考虑，此前有大量的案（事）件未向公众披露。事实上，恐怖袭击在新疆各地乃至更大的范围内均有发生。
如今儿孙们读了书，都讲理的很，男人也听儿孙的，所以郑老太太不想告诉他们。
在浸透炮火硝烟和青春热血的岁月里，赵大旗找到了自己的奋斗方向和革命信仰，从一个桀骜不羁的铁掌铺少东家成长为一名铁骨铮铮的无产阶级革命战士，走上一条与一众热血青年和爱国义士并肩抗战的铿锵道路，并引出一段壮怀激烈、动人肺腑的人马情。
赵思萍抓着杨寿全的袖子进一步哭闹起来。
在北京的一个公共汽车上，女孩遇到了自己心中的“白马王子”,但是对这个男孩的爱恋一直存在于梦幻之中，而在获悉了这个男孩到上海的一家电脑公司发展之后，女孩从北京追到了上海。在上海却碰到了另外一个男孩。痴情的女孩就这样徘徊于现实和梦幻之中，演出了一场感人的故事……喧嚣的都市大街上，追赶公车上班的新月（郝蕾饰）被小伙子余波（吴奇隆饰）揽在胸前拥上车，刹那间触动了少女情怀，爱上了余波。但余波大学毕业后回上海工作，于是新月也追到了上海，寻找余波。人海茫茫间，无处找寻，诚实友善的余海（苏有朋饰）却对新月一往情深……
Type: KBS2 Weekend Play
反正，她哥哥肯定比胡钧这小子强。
《刺猬和熊猫小姐》讲述了像刺猬一样竖起刺的敏感青年与像熊猫一样天下太平，糊里糊涂的熊猫小姐相遇，两人吵吵闹闹，逐渐发展为甜蜜恋人的浪漫爱情喜剧。东海在剧中将以刺猬发型亮相，完美变身刺猬先生。尹胜雅将在剧中展现清新可爱的魅力。两位主人公与刺猬，熊猫的相似度令人期待。
眨眼间，四月过去，五月来临。
本世纪20年代，水乡环绕的江南古城。裕和当铺老板朱华堂掌握着城中大大小小的当铺生意，买卖兴隆，财源茂盛。朱华堂唯一不能满足的是管不住儿子朱辉正。朱辉正从小受母亲溺爱，但在父亲严厉管教下长大，他痛恨父亲。父亲爱财，他却充分利用父亲的钱去享受……
因而大多都能心平气和地接受。
