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Via a constructor that determines the react event isExplain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.　两人饰演现实中极具话题性的前任夫妇：演员模特帕梅拉安德森(《海岸救生队》)和克鲁小丑合唱团鼓手音乐人汤米李，他们的恋情多年来见诸八卦小报，包括著名的蜜月性爱录像带被偷窃并泄露的丑闻。温良贤淑的富家小姐楚云鹤，身不由己嫁入深宅大院，操持家业赈济百姓，一度和土匪武装势同水火，却阴差阳错成了土匪首领。爱过她的家院侍卫百子离她而去，加入革命队伍，成长为解放军的侦查排长，领命剿匪。土匪在解放军面前溃不成军，楚云鹤屡屡逃脱之后，终于被百子亲手抓获。她的传奇故事惊动了党中央，毛主席亲自批示枪下留人。为报共产党的不杀之恩，楚云鹤转而配合解放军剿匪，战斗中他们经历了生死考验。The adapter for the interface is as follows: Sometimes we write an interface with multiple abstract methods, When we write the implementation class for the interface, All methods of the interface must be implemented, This is obviously wasteful at times, Because not all methods are what we need, Sometimes only a few are needed, In order to solve this problem here, we have introduced the adapter mode of the interface. With the help of an abstract class, the abstract class implements the interface and all methods. However, we do not deal with the original interface, but only get in touch with the abstract class, so we write a class, inherit the abstract class and rewrite the methods we need. Take a look at the class diagram:　　讲述一场亲情力量与欲望深渊的对抗，与爱同行的正能量之战。