For all Swing components except JApplet and JFrame,you should override the paintComponent method instead of the paint method.

Question

Quizplus · Accepted Answer

The paintComponent method is more efficient for Swing components because it only repaints the portion of the component that has changed, rather than repainting the entire component each time. This helps to minimize flickering and improve performance. However, for JApplet and JFrame, which are top-level containers, it is still necessary to override the paint method.

For All Swing Components Except JApplet and JFrame,you Should Override