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Strategy mode: Pay attention to the encapsulation algorithm, support the change of algorithm, and replace the algorithm independently of the customer at any time by encapsulating a series of algorithms.《我的开挂人生》是一部全新的奇幻都市女性短剧集。讲述了诸事不顺的大龄女青年蒙娜丽，因为使用奶奶留下的一枚祖传戒指，从而走上了人生巅峰，但她却发现，并不是凡事都如愿的人生就会更好，也不是诸事不顺的人生就看不到希望，当下的顺其自然其实就是最好的生活状态。IBM's Price agrees.接下来的日子，张大栓父子和张老太太婆媳都是在迎来送往中度过，又时常被人请去吃饭，连板栗葫芦也没闲着，也是四处拜访，初八去方家跟方智方威混了一天。The main purpose is to save a state of an object, In order to restore the object at an appropriate time, I think it is more vivid to call the backup mode. Generally speaking, assuming that there are various attributes in the original class A and A, A can decide the attributes to be backed up, memo class B is used to store some internal states of A, and class C is used to store memos and can only store, not modify and other operations. Make a picture to analyze it:那死瘸子还哄我，说小少爷到前边跟管家孙子玩去了。