This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
It looks like the class Test is in the package example25.
What you should do is put the base directory of the package in the classpath, and specify the fully-qualified name of the class. For example, if C:\jibx\tutorial is the base directory, try a command like this: