Write a Circle Class that has the following fields: Radius: A double PI: A final double initialized with the value 3.14159 The class should have the following methods: Constructor: Accepts the radius of the circle as an argument. Constructor: A no-arg constructor that sets the radius field to 0.0 setRadius: A mutator method for the radius field. getRadius: An accessor method for the radius field. area: Returns the area of the circle, which is calculated as area = PI * radius * radius diameter: Returns the diameter of the circle, which is calculated as diameter = radius * 2 circumference: Returns the circumference of the circle, which is calculated as circumference = 2 * PI * radius Write a program that demonstrates the Circle class by asking the user for the circle's radius, creating a Circle object, and then reporting the circle's area, diameter, and circumference. All coding is done in Java using IntelliJ Idea.

Write a Circle Class that has the following fields: Radius: A double PI: A final double initialized with the value 3.14159 The class should have the following methods: Constructor: Accepts the radius of the circle as an argument. Constructor: A no-arg constructor that sets the radius field to 0.0 setRadius: A mutator method for the radius field. getRadius: An accessor method for the radius field. area: Returns the area of the circle, which is calculated as area = PI * radius * radius diameter: Returns the diameter of the circle, which is calculated as diameter = radius * 2 circumference: Returns the circumference of the circle, which is calculated as circumference = 2 * PI * radius Write a program that demonstrates the Circle class by asking the user for the circle's radius, creating a Circle object, and then reporting the circle's area, diameter, and circumference. All coding is done in Java using IntelliJ Idea.

EBK JAVA PROGRAMMING

9th Edition

ISBN:9781337671385

Author:FARRELL

Publisher:FARRELL

Chapter11: Advanced Inheritance Concepts

Section: Chapter Questions

Problem 2PE

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OOPs

In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.

Constructor

The easiest way to think of a constructor in object-oriented programming (OOP) languages is:

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Hey all, stuck on this problem.

All coding is done in Java, using IntelliJ Idea.

Question is as follows:

7. Circle Class

Write a Circle Class that has the following fields:

Radius: A double

PI: A final double initialized with the value 3.14159

The class should have the following methods:

Constructor: Accepts the radius of the circle as an argument.

Constructor: A no-arg constructor that sets the radius field to 0.0

setRadius: A mutator method for the radius field.

getRadius: An accessor method for the radius field.

area: Returns the area of the circle, which is calculated as area = PI * radius * radius

diameter: Returns the diameter of the circle, which is calculated as diameter = radius * 2

circumference: Returns the circumference of the circle, which is calculated as circumference = 2 * PI * radius

Write a program that demonstrates the Circle class by asking the user for the circle's radius, creating a Circle object, and then reporting the circle's area, diameter, and circumference.

All coding is done in Java using IntelliJ Idea.

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