set up gwt project with the command line tools

Create a sample project files

mkdir gwt1
java -cp \java\gwt-2.4.0\gwt-user.jar;\java\gwt-2.4.0\gwt-dev.jar com.google.gwt.user.tools.WebAppCreator egtry.ClientApp1

import into eclipse

1. File -> Import -> Existing Projects into Workspace
2. select root directory
3. uncheck "copy projects into workspace"
4. click "Refresh" button
5. Finish

test in dev mode

 1. ant devmode

 2. launch default browser

the change on java and html source code is reflected immediately on the browser

create war for the deployment

 ant war