Otherwise you might conveniently pass up one particular line you don't want and acquire the result which DrStrangeprk stated. all classes and interfaces in the superclass hierarchy (e.g. see Java course is current in classpath but startup fails with Error: Could not locate or load principal class) Even so, should https://gunnerbedcb.webbuzzfeed.com/34302146/uninterruptible-power-supply-cyberpower-an-overview