How difficult is JMX technology to use? What`s the learning curve?

If you want to use JMX technology to instrument your applications or devices for manageability it`s actually quite simple. JMX technology is a Java platform extension and shares Java technology`s component model, object model, and many other aspects of standard Java technology. If you know the Java programming language and are familiar with the JavaBeans component architecture model, then you already know 95% of all you need to.