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Supply one method, getArea, that computes and returns (not prints!) the area of the circle. Provide the accessor method getRadius. Create a small class CircleTest with a main method that prompts the user to enter an integer value for the radius, creates once Circle object with that radius, calle it getArea method, and print out the returned value.

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Supply one method, getArea, that computes and returns (not prints!) the area of the circle. Provide...
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