Algeria JAVA USER GROUP

1. ALGERIA JUG
GWT
Google Web Toolkit
Hacen Dadda
@hacentech

2. Google Web Toolkit
● Googel announced GWT at
theJavaOne 2006
● Developement toolkit, not a framework
● One codebase, any browser
● Makes Ajax a priece of cake... and faster

3. Code in Java, run as javascript

4. We love each other !

5. How does it works ?

6. From Java to the browser

7. Tools
Eclipse GWT SDK GWT plugin

11. GWT plugin

12. Client/Server
Client GWT
Server Java

13. Hello World
public class HelloWorld implements EntryPoint
{
public void onModuleLoad ()
{
Button button = new Button("Click Me");
button.addClickHandler(new HelloButtonClickHandler());
RootPanel.get().add(button);
}
class HelloButtonClickHandler implements ClickHandler
{
public void onClick (ClickEvent event)
{
Window.alert("Hello World");
}
}
}

14. Hello World

15. RPC diagram

16. Done ! Compile project
We need just this !

17. Let us go on the web
war/ Rename (as u like)
site/

18. Here we go !

19. </presentation>
Thank you =)
@hacentech
hacendadda@gmail.com