Java Platform, Enterprise Edition (Java EE) 8 The Java EE Tutorial

## Java EE Application Assembly and Deployment

A Java EE application is packaged into one or more standard units for deployment to any Java EE platform-compliant system. Each unit contains

- A functional component or components, such as an enterprise bean, web page, servlet, or applet

- An optional deployment descriptor that describes its content

Once a Java EE unit has been produced, it is ready to be deployed. Deployment typically involves using a platform’s deployment tool to specify location-specific information, such as a list of local users who can access it and the name of the local database. Once deployed on a local platform, the application is ready to run.

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