Write a Circle Classthat has the following fields: · Radius: adouble · PI: afina

Question

Write a Circle Classthat has the following fields:

·         Radius: adouble

·         PI: afinal double initialized with the value 3.14159

The class should have the following methods:

·         Constructor. Acceptsthe radius of the circle as an argument.

·         setRadius.A mutator method for the radius field.

·         getRadius.An accessor method for the radius field.

·         getArea.Returns the area of the circle, which is calculate as

area = PI * radius * radius

·         getDiameter. Returnsthe diameter of the circle, which is calculated as

diameter = radius * 2

·         getCircumference. Returnsthe circumference of the of the circle, which is calculated as

circumference = 2 * PI * radius

Write a program that demonstrates the Circle class by asking theuser for the circle’s radius, creating a Circle object,and then reporting the circle’s area, diameter, andcircumference.

Explanation / Answer

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