When The category is declared within a package for instance com.acme.example, You then must use the entire classname including Illustration #7 - you forgot the -jar option when aiming to run an executable JAR file, and also the java command has misconstrued the JAR file name as a category identify https://wordpress-website-service48159.thelateblog.com/34339443/5-simple-statements-about-uninterruptible-power-supply-definition-explained