Create jar files for your application

Include any Java classes in a jar file intended for Derby class loading except:

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:

Include the class files and resources needed for your application.

Related concepts
Class loading overview
Add the jar file or files to the database
Enable database class loading with a property
Code your applications
Dynamic changes to jar files or to the database jar classpath