import java.awt.Graphics; import java.awt.Image; import java.applet.Applet; import java.lang.ref.SoftReference; public class DisplayImage extends Applet { SoftReference sr = null; public void init() { System.out.println("Initializing"); } public void paint(Graphics g) { Image im = (sr == null) ? null : (Image)(sr.get()); if (im == null) { System.out.println("Fetching image"); im = getImage(getCodeBase(), "truck1.gif"); sr = new SoftReference(im); } System.out.println("Painting"); g.drawImage(im, 25, 25, this); im = null; /* Clear the strong reference to the image */ } public void start() { System.out.println("Starting"); } public void stop() { System.out.println("Stopping"); } }