//  Author:  Nancy Harris
//  Modification:  09/27/04
//  Assignment - Class Methods

/** Circle:  contains methods to calculate common values related to circles based
             on the value of the radius.
 */
 public class CircleTester
 {
 	/** main method will build and manipulate three circles. */	
	public static void main(String args [])
	{
	
		// declare all variables
		Circle circOne, circTwo, circThree;
		double radius, changeValue;
		
		// instantiate 3 circles of different sizes
		circOne = new Circle(5.5);
		circTwo = new Circle(1.0);
		circThree = new Circle(0.0);
		
		changeValue = 3.0;
		
		circOne.changeRadius(changeValue);
		circTwo.changeRadius(1.0);
		circThree.changeRadius(0.0);
		
		circOne.changeRadius(-circOne.getRadius());
		circTwo.changeRadius(-.5);
		circThree.changeRadius(5.0);
		
		System.out.println(circOne);
		System.out.println(circTwo);
		System.out.println(circThree);
	
		System.out.println("Goodbye");
	
	} // end main
} // end CircleTester