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关掉这个帖子，陈启看向其他的热门帖子。2. How to choose when non-graduation shields, 10% critical strikes and 15% scourge injuries cannot be produced at the same time.郑氏忙道：娘，这事还没定呢。　　CW又一次一口气续订多剧，这次共13部，包括《河谷镇 Riverdale》（S5）。Although there are subclasses in java that implement the interfaces of the parent class, But I think javascript can be different from java, It is possible that the parent class in java is an empty class, Subclasses to implement the interface of the parent class, in javascript, I think the common code is completely written in the parent function. If the business logic needs to be changed in the future, or new business logic is added, we can completely use subclasses to rewrite the parent class, so the code has strong scalability and is easier to maintain. Since I am not a professional java, please understand if there is any mistake in describing the knowledge points in java ~ ~怪的很，京城其他地方却十分安静，虎禁卫被严令妄动。