Create jar files for your application

Include any Java classes in a jar file that are intended for Derby class loading, except the following classes.

A running Derby system can load classes from any number of jar files from any number of schemas and databases.

Create jar files intended for Derby database class loading the same way you create a jar file for inclusion in a user's classpath. For example, consider an application targeted at travel agencies:

jar cf travelagent.jar travelagent/*.class.

Various IDEs have tools to generate a list of contents for a jar file based on your application. If your application requires classes from other jar files, you have a choice:

Related concepts
Dynamic changes to jar files or to the database jar classpath