The paintComponent () method is needed to draw something on a JPanel other than drawing the background color. This method already exists in a JPanel class, so we need to use the super …

Learn how the paintComponent () method works in JPanel, including common issues and best practices for overriding this method in Java Swing.

The paintComponent() method can also be called explicitly by the repaint() method defined in Component class. The effect of calling repaint() is that Swing automatically clears the graphic …

Oct 13, 2025 · When painting a panel in Java, the `paintComponent` method is a fundamental part of the process. This method is defined in the `JComponent` class and is responsible for …

This runs the paintComponent () method of the JPanel class. What this standard paintComponent method does is to completely repaint the screen with the backround colour, thus essentially …

For all practical purposes paintComponent will be the only method that you will ever need to override. As previously mentioned, most of the standard Swing components have their look …

Oct 12, 2023 · In this article, we will have a closer look at the paint component method in Java. We will run a Java program to show you how does it work.