This week's book giveaways are in the iOS and Features new in Java 8 forums. We're giving away four copies each of Barcodes with iOS: Bringing together the digital and physical worlds and Core Java for the Impatient and have the authors on-line! See this thread and this one for details.
You need to add the jars to the NetBeans project you're working on; this in turn will add them to the runtime classpath.
If you don't already, you need to understand what a classpath is and that a compile-time and a runtime classpath may be different, and learn that it is set and maintained differently in NetBeans (and many other IDEs) and in stand-alone Java, which in turn is different from a J2EE server environment (JBoss, WebSphere, etc.)