Define the Sphere  constructor to accept and initialize the diameter,  and include getter  and setter  methods for the diameter. Include methods calcVolume  and calcSurfaceArea that calculate and return the volume and surface area of the sphere. Include a toString  method that returns a one-line description of the sphere

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Design and implement a class called Sphere  that contains instance data that represents 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 calcVolume  and calcSurfaceArea that calculate and return the volume and surface area of the sphere. Include a toString  method that returns a one-line description of the sphere of this form:


sphere with diameter X  where X  is the object's diameter rounded to 3 decimal places.

Use the following formulas in your class:
Volume = 4/3 PI times cube of the radius
Surface Area = 4 PI times the square of the radius

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