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Public class DecoratorTest {Create a new "Source" class under Packge "pojo":"Yes, even if you go underground, those who drill shallower can still be powerful. There is really nothing you can do about those who drill deeper. You can only stare and wait for them to come forward and come out before hitting. That is very dangerous. This is why many comrades were killed and bitten by them." Zhang Xiaobo said.Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility.《咱们穿越吧第二季》是四川卫视引进韩国CJ E&M《时间探险队》推出的大型历史体验真人秀节目，由四川卫视和韩国CJ E&M联合制作，第二季八位固定成员是张卫健、沈腾、宋小宝、杨千嬅、黄小蕾、海陆、于小彤、金圣柱。三股军队交汇在一起，各有其制。众多队伍施展浑身解数，竞赛通过被岩浆淹没的房间。他们踩着椅子跳出去、攀附在窗帘上，甚至抓着吊灯摆荡。真的，没有在开玩笑。