Say goodbye to the pains of Ajax
Yibo

DOM JavaScript p XML CSS Standard Browsers: b browser-specific d f dependencies. d Differences Complexity Exprerience: Minesweeper

Google Web Toolkit l b lk make Ajax development easier by hiding browser incompatibilities from the programmer and allowing the developer to work in a familiar Java developmentbrowser specific dependencies d l tbrowser-specific dependencies. environment i t unify client and server code into a single application written i one l li ti itt in language: J Java. abstract the browser's DOM, hiding differences between b b browsers b hi d easy to extend objectbehind d bj oriented UI patterns. This helps make code portable over all supported browsers. o er browsers

Write AJAX apps in the Java language, then compile to optimized JavaScript Step through live AJAX code with your Java debugger gg Compile and deploy optimized, crossb o se Ja aSc pt browser JavaScript

Before you start coding you need to install

Java, JDK IDE: Eclipse, NetBeans GWT Easy y No special install is needed Unzip GWT to y p your machine
GWT installation


Add GWT directory to your system environment

Windows: Environment Variable Path *nix: PATH variable

Create a directory Create a project p j
projectCreator -eclipse MyProject Output: p Created directory c:\gwt-projects\src Created directory c:\gwt-projects\test y \g p j \ Created file c:\gwt-projects\.project Created file c:\gwt-projects\.classpath \g p j \ p

Creat an application
applicationCreator -eclipse MyProject pp p y j org.freefood.pizza.client.NineInch

Created directory c:\gwt-projects\myproject\src\org\freefood\pizza Created directory c:\gwt projects\myproject\src\org\freefood\pizza\client c:\gwt-projects\myproject\src\org\freefood\pizza\client Created directory c:\gwt-projects\myproject\src\org\freefood\pizza\public Created file c:\gwt-projects\myproject\src\org\freefood\pizza\NineInch.gwt.xml Created file c:\gwt-projects\myproject\src\org\freefood\pizza\public\NineInch.ht ml l Created file c:\gwt-projects\myproject\src\org\freefood\pizza\public\NineInch.cs s Created file c:\gwt-projects\myproject\src\org\freefood\pizza\client\NineInch.ja \g p j \ yp j \ \ g\ \p \ \ j va Created file c:\gwt-projects\myproject\NineInch.launch Created file c:\gwt-projects\myproject\NineInch-shell.cmd Created file c:\gwt-projects\myproject\NineInch-compile.cmd c:\gwt projects\myproject\NineInch compile.cmd

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