public class CircleTest {
  public static void main (String args [])
  {
    Circle myCircle = new Circle();                                 // declaring object

    myCircle.radius = 1.0;                                          // setting field's value
    System.out.println("Circle's radius = "+myCircle.radius);       // accessing field's value
    System.out.println("Circle's radius = "+myCircle.getRadius());  // using access method

    // other Circle object methods
    System.out.println("Circle's area = "+myCircle.getArea());
    System.out.println("Circle's circumference = "+myCircle.getCircumference());
    System.out.println("Circle's diameter = "+myCircle.getDiameter());

    System.out.println("\n Another Circle ...");     
    Circle anotherCircle = new Circle(3.0);
    System.out.println("Circle's radius = "+anotherCircle.getRadius());
  }
}