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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.The relationship between behavioral patterns:《间谍风一号》是2006年出品的电视剧，由陈亚洲执导，于代君、颜世魁、赵汉军、李昭澎等主演。讲述了1948年春共产党与国民党谍对谍的故事。和夏林见面，陈启便拿出剧本。Monthai( Pong ) 是1个18岁的英俊少爷,出生在1个富裕有产的家庭,他妈妈Tap Tim是女继承人,爸爸是外交官,妈妈Tap Tim1直对儿子看得很紧,担心儿子和他爸爸1样。因为Monthai的爸爸不是1个老实人,和不同女人相好。Monthai的妈妈Tap Tim不得不接受这样的丑闻,因为她爱她丈夫,甚至默许了她丈夫的不忠行为,允许他的1名情妇以佣人的身份留在主要产业,这个情妇的儿子就是monthai同父异母的弟弟anucha。　　Jimmy和Mike都在朝着《Breaking Bad》中的标志性角色发展，这期间少不了许多「彩蛋」。本季还会有不少闪进情节，观众将看到「Saul在《Breaking Bad》结束后的生活」（准确地说，Cinnabon的Gene），还有「到目前为止最年轻的Jimmy」。一些观众在《Breaking Bad》首季中见过（但是之后再也未见到）的角色将在本季亮相。当然，还有观众熟悉的一些人。此外，Jimmy是个天生的「问题解决者」，他将帮助许多新角色摆脱困境。他还将遇到一个大人物Clifford（六届艾美奖提名获得者Ed Begley Jr.），他手中掌握的权力能让Jimmy诸多梦想变为现实……只要Jimmy付得起他的价钱。Clifford表面上看起来慈祥和蔼，让人很乐意和他待在一起。可一旦任何人触犯了他的利益，必将遭遇灭顶之灾。除了继续与Chuck关系紧张之外，Jimmy与Kim的矛盾也日渐升级（但是Jimmy与Kim的私人关系也变得更加纠缠不清）。你还应该特别留意Jimmy与Davis和Main的关系、Jimmy与Mike的关系。As online organizations have broken the time and geographical restrictions, they have saved the time and transportation costs that parents and children have to pay. Secondly, it has the natural advantage of directly facing the national market and allocating the national teacher resources, breaking the regional restrictions on obtaining customers and employing teachers. In addition, in the process of scale-up, online organizations do not need to invest in the training of stores and store managers, so the upfront investment is relatively low.