Circle.java class Circle { private double radius; private double area; private double diameter; Circle() { } public
Question:
Circle.java
class Circle { private double radius; private double area; private double diameter; Circle() { } public void setRadius(double r) { } public double getRadius() { } private void computeDiameter() { } private void computeArea() { } public double getDiameter() { } public double getArea() { }}
TestCircle.java
class TestCircle { public static void main (String args[]) { Circle a = new Circle(); Circle b = new Circle(); Circle c = new Circle();
a.setRadius(1.5); b.setRadius(1500.50);
System.out.println("The area of a is" + a.getArea()); System.out.println("The diameter of ais " + a.getDiameter()); System.out.println("The area of b is " + b.getArea()); System.out.println("The diameter of bis " + b.getDiameter()); System.out.println("The area of c is "+ c.getArea()); System.out.println("The diameter of cis " + c.getDiameter()); }}
Introduction to Java Programming, Comprehensive Version
ISBN: 978-0133761313
10th Edition
Authors: Y. Daniel Liang