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2 Answer(s)      9 years ago
Posted in : Java Beginners
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June 3, 2008 at 6:43 PM

Hi manju

import java.awt.*;
import java.applet.*;

public class AppletThread extends Applet {
private Image[] images;
private String[] text;

private Label captions;
private volatile int curFrame;
private Thread timerThread;
private volatile boolean noStopRequested;
private boolean paused;
private final Object pauseLock = new Object();

private void printThreadName(String prefix) {
String name = Thread.currentThread().getName();
System.out.println(prefix + name);

public void init() {
images = new Image[2];
text = new String[2];
captions = new Label();
setLayout(new BorderLayout());
add(BorderLayout.SOUTH, captions);

Label name = new Label("Display the image by Claude Monet");
add(BorderLayout.EAST, name);

URL image = null;
try {
image = new URL("/home/vinod/amarexamples:9090/" + "amarexamples/Threads/applet/");
catch ( ex) {
System.out.println("URL not found");

images[0] = getImage(image, "rose-one.jpg");
images[1] = getImage(image, "rose.gif");
text[0] = "Display cat image";
text[1] = "Display rose image in a west";
printThreadName("init is ");

private void startThread() {
paused = true;
noStopRequested = true;
Runnable r = new Runnable() {
public void run() {
timerThread = new Thread(r, "Timer");
printThreadName("startThread is ");

private void stopThread() {
noStopRequested = false;
printThreadName("stopThread is ");
private void runWork() { // note that this is private
printThreadName("run is ");
curFrame = 0;

try {
curFrame = (curFrame + 1) % images.length;
} catch ( InterruptedException x ) {
System.out.println("interrupt and return from run");

private void setPaused(boolean newPauseState) {
synchronized (pauseLock) {
if (paused != newPauseState) {
paused = newPauseState;

private void waitWhilePaused() throws InterruptedException {
synchronized (pauseLock) {
while (paused) {

public void paint(Graphics g) {
printThreadName("paint is ");

public void update(Graphics g) {
g.drawImage(images[curFrame], 0, 0, this);
printThreadName("update is ");

public void start(){
printThreadName("start is ");

public void stop() {
printThreadName("stop is ");

public void destroy() {

for (int i = 0; i < images.length; i++) {
images[i] = null;
text[i] = null;

images = null;
text = null;
printThreadName("destroy is ");

June 3, 2008 at 6:45 PM

<div align = "center">
<APPLET CODE = "AppletThread.class" WIDTH = "500" HEIGHT = "400"></APPLET>


Read for more information.




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