SUN Microsystems provides certification examinations for Solaris administrators and different types of Java programmers. Sun also offers training classes and practice exams for each type of certification.
Much of the material in this tutorial is pertinent to preparation for the examination to become a “Sun Certified Programmer for the Java Platform.”
Some useful links are:
http://www.sun.com/training/certification. An overview of all of the various certifications offered and their associated learning tools.
http://www.sun.com/training/certification/java/index.html. Information specific to the certifications available for Java technologies.