void setup()
{
  size(500, 500);
  Ellipse e1, e2, e3;
  e1 = new Ellipse(100, 100, 120, 190);
  fill(255);
  stroke(#0077AA);
  strokeWeight(4);
  e1.Draw();
  e2 = new Ellipse(e1);
  e2.rh /= 1.2;
  e2.rv /= 1.2;
  stroke(#0099CC);
  e2.Draw();
  stroke(#00BBFF);
  e3 = new Ellipse(20, 50, 20, 90);
  e3.Draw();
  e3.cx = e1.cx;
  e3.cy = e1.cy;
  e3.Draw();
}

class Ellipse
{
  int cx, cy;
  int rh, rv;
  
  // Regular constructor
  Ellipse(int x, int y, int h, int v)
  {
    cx = x; cy = y;
    rh = h; rv = v;
  }
  // Copy constructor
  Ellipse(Ellipse e)
  {
    cx = e.cx; cy = e.cy;
    rh = e.rh; rv = e.rv;
  }
  void Draw()
  {
    ellipse(cx, cy, rh, rv);
  }
}