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Create a class named Rectangle with three protected attributes: cornder for the upper left corner point (use the Point class above) and two integers width and height. Your class should have a constructor with three arguments and a toString() method returning a string representation of the rectangle. Then create a class named Square that inherits from Rectangle. This class should have a constructor with two arguments: the upper lefter corner point of the square and its width.

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Create a class named Rectangle with three protected attributes: cornder for the upper left corner po...
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