Stroking or Filling with a Color：画或填充一种颜色

 

// Use a predefined color.

g2d.setColor(Color.red);

drawShape(g2d);

// Use a custom color.

int red = 230;

int green = 45;

int blue = 67;

g2d.setColor(new Color(red, green, blue));

drawShape(g2d);