google web toolkit (gwt)

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Algeria JAVA USER GROUP

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ALGERIA JUG

GWTGoogle Web Toolkit

Hacen Dadda@hacentech

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

Code in Java, run as javascript

We love each other !

How does it works ?

From Java to the browser

Tools

Eclipse GWT SDK GWT plugin

GWT plugin

Client/Server

Client GWT

Server Java

Hello Worldpublic 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");

}

}

}

Hello World

RPC diagram

Done ! Compile project

We need just this !

Let us go on the web

Rename (as u like)war/ site/

Here we go !

</presentation>

Thank you =)

@hacentech

hacendadda@gmail.com

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