Deploy, Update and Undeploy
Purpose
Deploy
The J2EE application or J2EE application component must be deployed on the J2EE Engine in order to use it.
Update
When you make changes to the application or any of its components, you have to update the application that is already deployed.
You can also update only a single file and not the whole application. In this case, only the new file is changed in the previously deployed application.
Undeploy
If you do not need a J2EE application, you can either stop it or undeploy it. With the Deploy Tool you can only undeploy the J2EE application.
Process Flow
Deploy
First you must perform Setting the Deploy Tool Deployment Properties. Then you can perform Deploying a J2EE Application and J2EE Application Component.
You can also Deploy a Bean Application That Does Not Contain Class Files.
Update
You can perform:
Undeploy
Undeploying a J2EE Application