import processing.core.*; public class ExampleApplet extends PApplet { public static void main(String args[]) { PApplet.main("ExampleApplet"); } @Override public void settings() { // TODO: Customize screen size and so on here size(200, 200); } @Override public void setup() { // TODO: Your custom drawing and setup on applet start belongs here clear(); } @Override public void draw() { // TODO: Do your drawing for each frame here clear(); fill(255); rect(50, 50, 100, 100); } }