I'm pretty sure that JAR files are just TAR's, so if you can create those with Eclipse you're good to go. I don't have an installation on this comp to test, but I believe you can right click on ...

For Java developers, Eclipse is one of the most popular IDEs, and Apache Tomcat is a favorite application server. As a result, every developer should know how to integrate Tomcat and Eclipse and be ...

Click "OK" to add the JAR to the folder. Click the "Save" button and click the Eclipse toolbar's "Run" button. The JAR and other app Java files run in the emulator, so you can test the code.