class ColorBlop extends Canvas {

  private Dimension size = new Dimension(100,100);
  private Color currentColorOfBlop;

  ColorBlop(Color c){
    currentColorOfBlop = c;
  }

  public void setColor (Color c){
    currentColorOfBlop = c;
  }

  public void paint (Graphics page) {
    page.setColor(currentColorOfBlop);
    page.fillRect(0,0,400,200);
  }

  public Dimension getMinimumSize() {
       return size;
  }

  public Dimension getPreferredSize() {
      return getMinimumSize();
  }
} // end class ColorBlop