Seema Manivannan has a Bachelor of Technology degree in Electrical and Electronics and a PG in Advanced Computing. Her work experience of over eight years includes software development, teaching, and content development in Java and related technologies. She holds SCJA, SCJP, SCWCD, SCBCD, and IBM 484 (J2EE) certifications.She has been with for over four years, where she has authored different exam simulators based on Sun certifications.Whizlabs is one of the global leaders in IT certification preparation industry. Whizlabs exam preparation kits are considered the best in the industry.The author can be contacted at .