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Implement a class Balloon ( java )


Implement a class Balloon that models a spherical balloon that is being filled with air. The constructor constructs an empty balloon. Supply these methods: void addAir(double amount) adds the given amount of air double getVolume() gets the current volume double getSurfaceArea() gets the current surface area double getRadius() gets the current radius Supply a BalloonTester class that constructs a balloon, adds 100 cm3 of air, tests the three accessor methods, adds another 100 cm3 of air, and tests the accessor methods again. Attachments