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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.Novice is suitable to use rubber flower balls.板栗停步，也竖起耳朵听了一会，道：你听错了吧。Start the computer!21岁的井上树木（森七菜），是便利店「Coco Every」的店员 ，平时喜欢在SNS上对于甜点 评头论足，这件事被这家便利店连锁店社长 浅羽拓实（中村伦也）所肯定，进而一起挑战制作出便利店原创的“最畅销甜点”，两人也时常因此意见冲突，此时，也渐渐对彼此有了感觉，“社长，我可以喜欢你吗？” 的甜蜜恋情慢慢展开......本剧讲述了由大福村走出的农民陆大鹏在某市发展成了一名风光无限的企业家，而在众人仰慕的成功背后，有着不为人知的头疼事。生活上离异的他，又当爹又当妈的抚养一双不省心的儿女，因工作忙碌疏于交流，和儿女间的矛盾日益加重，前妻还不停的于他争夺抚养权；因全球大环境影响，陆大鹏的事业起起伏伏、麻烦不断。某杂志记者的张可欣，为了得到第一手“情报”，她处心积虑的“潜伏”在陆大鹏身边，几经波折，最终得到陆大鹏的信任。百般无奈的陆大鹏在友人的建议下决定“破釜沉舟”携全家重返大福村，希望在“重返”中和儿女充分相处，让孩子自己决定由谁抚养，同时，冷静的梳理下一步的工作思路。张可欣得知后决定一同重返，在陆家女儿的帮助下，张可欣和陆家三人一同踏上返乡路。