香港经典三级

Using monomer mode can make the code organization more consistent and make the code easy to read and maintain.A class has only one instance and instantiates itself and provides this instance to the entire system.大都市锦江，警方为民所急，在全国率先成立了反诈骗特别行动组。授命刘文通为组长。刘文通带领年轻警官徐少明和古玲，与诈骗分子展开了一斗智斗勇的较量。《都市导报》的女记者萧明芳，追踪报道，深入体验。警方与媒体通力合作，共同铲除滋生诈骗犯罪的土壤。刘文通和徐少明、古玲与形形色色的诈骗分子过招，演绎出奋勇救人质、舍身抱炸药，以及各种高科技高智商的对决等感人场面，既歌颂了当代警察的大智大勇，又揭示了他们丰富的情感世界，还体现了他们的人格力量。诈骗分子男女老少，犯罪手段千奇百怪，他们的形象也栩栩如生，各自都有扭曲的心灵，变态的心理。最终他们都受到法律正义的制裁。The best way to conform to the opening and closing principle is to provide an inherent interface, and then let all classes that may change implement the interface, allowing fixed interfaces to interact with related objects.The delegate is a class, which can also be instantiated. The method is assigned to the delegate instance through the constructor of the delegate.一个长脸严肃的副将军站起身附和道：不错。