Adding And Removing JARs in DrJava

A JAR file is a way of storing many (pre-compiled) Java classes. Below are instructions for adding and removing jar files from DrJava's resource locations. For more information on JAR files, see our JARs page and Using JAR Files: The Basics on Sun's site.

Removing:

1. Open DrJava
2. Edit > Preferences
3. Resource Locations (at left)
4. In Extra Classpath, click on the old jar name
5. Remove
6. Apply
7. Okay

Adding:

1. When you download the jar, keep track of where you save it to
2. Open DrJava
3. Edit > Preferences
4. Resource Locations (at left)
5. In Extra Classpath, Add (browse and chose the new jar)
6. Apply
7. Okay

Note: You may have to quit and re-open DrJava for changes to take affect.