1 I attempted using a manifest and entry place with no accomplishment, until I tried developing the class file very first when you talked about. jar cfm OlivePressApp.jar Manifest.txt com/lynda/olivepress/Key.course com/lynda/olivepress/* I ran this JAR file by double clicking on it (it failed to perform). So I ran it from https://lorenzomsxch.salesmanwiki.com/8930291/rumored_buzz_on_jar