Write a Circle class that has the following field: radius: a double The class should have the following methods: no-arg constructor constructor: accepts the 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. getDiameter: returns the diameter of the circle. getCircumference: returns the circumference of the circle

Write a Circle class that has the following field: radius: a double The class should have the following methods: no-arg constructor constructor: accepts the 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. getDiameter: returns the diameter of the circle. getCircumference: returns the circumference of the circle

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

Problem 1PE

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Concept explainers

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:

Question

Write a Circle class that has the following field:
• radius: a double
The class should have the following methods:
no-arg constructor
constructor: accepts the 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.
getDiameter: returns the diameter of the circle.
getCircumference: returns the circumference of the circle
Write a program that demonstrates the use of 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.

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