more circles 1 Answer(s) 2 years and 10 months ago
Posted in : Java Beginners
Write an application that uses Circle class you created in the previous assignment. ? The program includes a static method createCircle() that o reads a radius of a circle from the user o creates a circle object, and o returns the object. ? The program creates a circle object by using the above method. ? The program passes the circle object to a static method that prints the circumference and the area of the circle object by using the methods in the object.
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August 17, 2010 at 4:17 PM
Hi Friend,
Try the following code:
import java.util.*; class Circle{ static double pi=3.14; double radius; Circle(){ } Circle(double radius){ this.radius=radius; } public double getRadius(){ return radius; } public static Circle createCircle(){ System.out.println("Enter Radius"); Scanner input=new Scanner(System.in); double r=input.nextDouble(); Circle c=new Circle(r); return c; } public static void calculate(Circle c){ double r=c.getRadius(); double area=pi*r*r; double circumference=2*pi*r; System.out.println("Area: "+area); System.out.println("Circumference: "+circumference); } public static void main(String[] args) {
Circle c=createCircle(); calculate(c); } }import java.util.*; class Circle{ static double pi=3.14; double radius; Circle(){ } Circle(double radius){ this.radius=radius; } public double getRadius(){ return radius; } public static Circle createCircle(){ System.out.println("Enter Radius"); Scanner input=new Scanner(System.in); double r=input.nextDouble(); Circle c=new Circle(r); return c; } public static void calculate(Circle c){ double r=c.getRadius(); double area=pi*r*r; double circumference=2*pi*r; System.out.println("Area: "+area); System.out.println("Circumference: "+circumference); } public static void main(String[] args) {
Circle c=createCircle(); calculate(c); } }
Thanks
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