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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 Magic of the Original Socket林白快速说了一句，然后继续埋头奋战。The side on which most components are mounted.　　许多年过去，老一辈龙珠战士开始退居幕后，悟天、特兰克斯和比迪丽寻找散落各地的龙珠。三人路过一个山村，这里连年遭受天灾，村民认为惹恼了山中的恶魔，于是希望献上童女高高以平息恶魔的诅咒。悟天等人为救高高，答应帮村民除掉恶魔，却撞见了从沉睡中苏醒的布洛迪。一场大战在所难免……然后半年之后，人类所居住的地球突然出现了蛮机族，在地球环境被破坏殆尽之前，三位年轻人挺身而出。他们正是赛车手江角走辅、巴士司机香板连和卖早餐少女楼山早辉，半年前追击蛮机族的而来到地球的炎神，他们赐予三人正义的力量，让三人化身为对抗蛮机族的正义英雄炎神战队轰音者。刚才还笑人家傻，原来是个厉害的。