Construct a class named Circle with attributes named radius, diameter and area. Include a constructor that sets the radius to 1 and calculates the other two values. Include get and set methods for all the attributes. The setRadius() method not only sets the radius, it also calculates the other two values. The diameter of a circle is twice the radius and the area of a circle is pi multiplied by the square of the radius. Use the Math class PI constant for this calculation.

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
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Construct a class named Circle with attributes named radius, diameter and area. Include a constructor that sets the radius to 1 and calculates the other two values. Include get and set methods for all the attributes. The setRadius() method not only sets the radius, it also calculates the other two values. The diameter of a circle is twice the radius and the area of a circle is pi multiplied by the square of the radius. Use the Math class PI constant for this calculation.

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