6-1 Circle_Object

Post date: Apr 9, 2014 9:07:23 PM

package circle_object;

public class Circle

{

private double radius;

void Set_Radius(double r)

{

radius=r;

}

double get_Radius()

{

return radius;

}

double Display_Area()

{

return Math.pow(radius,2)*Math.PI;

}

}

package circle_object;

public class Circle_Object

{

public static void main(String[] args)

{

Circle box=new Circle(); // Create a Circle object.

box.Set_Radius(4);

System.out.println("The area of the circle of radius " + box.get_Radius()+" is " + box.Display_Area());

}

}