createBuffers(num, caps);
width = getWidth(); height = getHeight();  if (numBuffers > 1) createBuffers(numBuffers, caps); else { drawVBuffer = peer.createVolatileImage(width, height); drawBuffer = drawVBuffer;
    protected FlipBufferStrategy(int num, BufferCapabilities caps)      throws AWTException    {			this.caps = caps;			createBuffers(num, caps);		}