Please written by computer source   java) 13) Assume the class Cylinder exists, and that has the following method. Assume both radius and height are global instance variables declared as double. public double calcVolume() { return Math.PI * radius * radius * height; } You decide that a static method (also called calcVolume) for calculating volume (of a theoretical cylinder) might be useful to client coders. Write the static method. Then rewrite the instance method shown above to leverage the new static method (thus reducing code duplication)

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Please written by computer source

 

java)

13)

Assume the class Cylinder exists, and that has the following method. Assume both radius and height are global instance variables declared as double.

public double calcVolume() { return Math.PI * radius * radius * height; }

You decide that a static method (also called calcVolume) for calculating volume (of a theoretical cylinder) might be useful to client coders.

Write the static method.

Then rewrite the instance method shown above to leverage the new static method (thus reducing code duplication).

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