1 I tried employing a manifest and entry point without achievement, until I tried developing the class file initial when you pointed out. jar cfm OlivePressApp.jar Manifest.txt com/lynda/olivepress/Principal.class com/lynda/olivepress/* Optionally, a package deal within a JAR file is usually sealed, meaning that all lessons outlined in that package deal are https://lorenzoygms51852.scrappingwiki.com/795100/the_ultimate_guide_to_handmade_self_care_gifts_from_scented_jar_candles_to_homemade_bath_soap