In Listing 17 you see how each server segment USES a JPanel subclass to delegate the painting of its background.
在清单17中，您可以看到每个服务器段是如何使用jpanel子类来委派背景的绘制的。
In Listing 17 you see how each server segment USES a JPanel subclass to delegate the painting of its background.
在清单17中，您可以看到每个服务器段是如何使用jpanel子类来委派背景的绘制的。
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