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The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.Disney+宣布以8集首季直接预订《超越JustBeyond》,这部诗选恐怖喜剧改编自BOOM!的畅销视觉文学,原作作者是R.L.Stine（就是《鸡皮疙瘩Goosebumps》的作者）。改编版会由SethGrahame-Smith负责。　　《蜘蛛头》改编自乔治·桑德斯的《纽约客》短篇小说，由约瑟夫·科辛斯基（《创：战纪 TRON》、《壮志凌云：独行侠》）执导，瑞特·里斯和保罗·韦尼克（《死侍》、《丧尸乐园》）担任编剧，是一部风格迥异、黑暗搞笑的心理惊悚片。3. The outer epidermis of the regular network cable also has certain ductility, also called elasticity. If the outer epidermis is inelastic, it is easy to break. Therefore, when buying the network cable, you can reduce a 0.5 meter long network cable and pull it to both sides. See if there is a crack in the middle or if the epidermis can extend to both ends. If there is no crack in the middle during the pulling process, and the epidermis can also extend to both ends, then the epidermis of this network cable meets the standard. In addition, we should pay attention to a problem. In the process of pulling, although some network cables have no cracks, there are obvious signs of whitening and thinning in the middle, which is also not in line with the standard.布里奇特（黛安·基顿 Diane Keaton 饰）是一个普通的家庭主妇，居住在一间位于郊区的大房子里，丈夫那份薪水不菲的工作足以让她的生活衣食无忧。然而就在一瞬间，美好的生活化为了泡影，丈夫丢了工作，他们不仅即将失去舒适的住宅，布里奇特还不得不为了养家糊口而踏出家门寻找工作。来到人才市场，布里奇特才发现，在这个年头想要赚钱是这样的困难，在繁多的工作岗位之中，自己的古英语学位形同虚设。无奈之下，她成为了美国联邦储备银行的清洁工。陈启走进沈梦海的办公室。流浪狗小七为报当年的救命之恩进入恩人欧叶所在的宠物度假村，却想不到欧叶早已经不记得小七。小七的“认主”行为给欧叶带来无穷无尽的麻烦，可在爱狗的度假村总裁戴维的压力下，欧叶又不得不试着与小七相处。小七因为欧叶对度假村搜救员鲍宇的追求生出嫉妒心，处处和鲍宇作对。在小七的努力下，欧叶终于记起它，并帮它实现了与宠物乐园“明星犬”边牧Mary同台表演的梦想。小七与鲍宇渐渐成为好朋友，鲍宇发现小七的搜救犬潜质，开始训练小七搜救。在小七的联系下，欧叶与鲍宇产生感情。一个国际水下文物盗窃集团欲盗捞度假村海域沉船中的文物，小七联合欧叶、鲍宇和宠物乐园的其他动物与住进度假村的盗贼斗智斗勇，成功挫败对方。小七加入搜救队，最终成长为一只优秀的搜救犬。