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In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.FOX的《末日之旅 The Passage》由Liz Heldens﹑Matt Reeves及Scott Free负责制作。该项目原本是上年度的，不过开发到半路宣布被砍掉重练，事隔一年后才被FOX正式预订成剧。本剧根据 Justin Cronin的同名畅销小说改编，故事中美国在研究某神秘病毒，这种病毒既可治愈所有疾病，亦足以毁灭世界。Amy Bellafonte（Saniyya Sidney饰）成为本次实验的试验对象，而FBI探员Brad Wolgast（Mark-Paul Gosselaar饰）则成了她的代理父亲并保护起她来。创下日本平成年代收视奇迹的电视剧《半泽直树》续作将于2020年4月在TBS周日剧场开播。一个腼腆的小镇喜剧演员期待已久的大好机会发生阴暗转折，于是他认为谋杀是永葆舞台魅力的唯一方法。通过以另一个人的身份活下来的女人和真切关注她的男人之间的故事剖析人生真谛。隐藏自己的身份，嫁做财阀世家媳妇的卞智淑（秀爱饰）、愿意无条件去守护心爱女子的崔珉宇（朱智勋饰）、想要揭开智淑的真实身份的人与已经知道所有秘密的人，这四人共同住在同一间宅邸里所发生的明争暗斗、阴谋报复的故事 。2. Dynamically add functions to an object and can also dynamically undo them. (Inheritance cannot do this. The function of inheritance is static and cannot be added or deleted dynamically.)内地企业家苏礼到香港发展，欲与安信旅游集团合作开发香港独一无二的生态度假村。在安信旅游集团主席顾东海为从美国留学归来的儿子顾浩民举办的酒会上，香港十大富豪之一的韦卡斯对苏礼狠狠地说：“感谢您在内地指证我的儿子，使他锒铛入狱，我决不会放过你“……