In my DisplayManager implementation I present you with a simple case. The default constructor can be defaulted since DisplayManager only holds an object of type Resolution, a class enum which boils down to an integer type. I don't need any code inside the constructors body. There are cases when this doesn't apply and you need to write code for the constructor body. By that, we can distinguish two cases here:
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足球运动员索博列夫揭露莫斯科斯巴达克俱乐部寄生现象 20:30
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