Question

Implement the Shape hierarchy designed in (which is based on the hierarchy Fig below). Each TwoDimensionalShape should contain function getArea to calculate the area of the two-dimensional shape. Each ThreeDimensionalShape should have member functions getArea and getVolume to calculate the surface area and volume, respectively, of the three-dimensional shape. Create a program that uses a vector (array) of Shape pointers to objects of each concrete class in the hierarchy. The program should print the object to which each vector (array) element points. Also, in the loop that processes all the shapes in the vector (array), determine whether each shape is a TwoDimensionalShape or a ThreeDimensionalShape. If a shape is a TwoDimensionalShape, display its area. If a shape is a ThreeDimensionalShape, display its area and volume.
The concept of Virtual Functions and Pure Virtual Functions should be used.

Answer 1

Answer:

Implement the Shape hierarchy shown in Figure below. Each TwoDimensionalShape should contain method getArea to calculate the area of the two-dimensional shape. Each ThreeDimensionalShape should have methods getArea and getVolume to calculate the surface area and volume, respectively, of the three-dimensional shape. Create a program that uses an array of Shape references to objects of each concrete class in the hierarchy. The program should print a text description of the object to which each array element refers. Also, in the loop that processes all the shapes in the array, determine whether each shape is a TwoDimensionalShape or a ThreeDimensionalShape. If it’s a TwoDimensionalShape, display its area. If it’s a ThreeDimensionalShape, display its area and volume.

Explanation:

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