import java.awt.*;

public class Balloon {

    protected  int diameter;
    protected  int xCoord, yCoord;

    //constructors

    //default constructor
    public Balloon ()
    {
    }

    public Balloon ( int initialX, int initialY)
    {
    	diameter = 50;
        xCoord = initialX;
        yCoord = initialY;
    }


    public Balloon (int initialDiameter, int initialX, int initialY)
    {
    	diameter = initialDiameter;
        xCoord = initialX;
        yCoord = initialY;
    }
    
     public void setDiameter (int diameter) {
        this.diameter = diameter;
    }
    
     public int getDiameter () {
        return diameter;
    }

    public void changeSize (int change) {
        diameter = diameter + change;
    }


	public void display (Graphics g) {
        g.drawOval (xCoord, yCoord, diameter, diameter);
    }



}