 <p>I assume you have been using Eclipse IDE. </p> <p>In your package explorer (usually on the left side), find your Java Project you wish to export, right click in it and choose <code>Export</code> from the menu. </p> <p>When asked for type, expand the <code>Java</code> folder icon and choose <code>Runnable JAR file</code>. </p> <p>Under <code>Launch configuration</code>, find and select your class that will run it (the one with <code>main</code> method).<br> Choose where you want to export it and what you want to do with the other, non-standard libraries you are using. </p> <p>Click on <code>Finish</code>. </p>