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Design and implement a class called Sphere that contains instance data that represent the sphere’s diameter. Define the Sphere constructor to accept and initialize the diameter, and include getter and setter methods for the diameter. Include methods that calculate and return the volume and surface area of the sphere (see Programming Project 3.5 for the formulas). Include a toString method that returns a one-line description of the sphere. Create a driver class called MultiSphere, whose main method instantiates and updates several Sphere objects.

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Answer:

Import java.awt.*;

import java.util.*;

public class Sprhere

{// Instance Data private double surfaceA, volume, r, diameter; //Constructors public Sphere ()

{r = 0;diameter = 0; surfaceA = 0;volume = 0;}

public Sphere (double radius, double d, double SA, double v)

{this. r = radius; this. diameter = d; this. surfaceA = SA;this.volume = v;}

//--------------------------------------------------------------------// Accesors.//--------------------------------------------------------------------public double get Radius()

{return r;}

public double get Diameter()

{return diameter;}

public double get SurfaceA()

{return surfaceA;}

public double get Volume()

{return volume;}

//--------------------------------------------------------------------// Mutators.//--------------------------------------------------------------------

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