public class Dot implements Locatable
{
     private int xx;
     private int yy;
     private int sizesize;
     public Dot()
     {
          xx=0;
          yy=0;
          sizesize=0;
     }
     public Dot(int x, int y)
     {
          xx=x;
          yy=y;
          sizesize=0;
     }
    public Dot(int x, int y, int size)
    {
          xx=x;
          yy=y;
          sizesize=size;
    }
    public int getXPos()
    {
         return xx;
    }
    public int getYPos()
    {
         return yy;
    }
    public String toString()
    {
          return xx + " " + yy + " " + sizesize;
    }
}