Samudra Gupta has more than eight years of experience in Java- and J2EE-related technologies. At present, he is working as a Java/J2EE consultant in the United Kingdom through his own company, SSG Solutions Ltd. His domain expertise is in the public sector tax and information content management systems, retail industry, and e-commerce&emdash;based applications. He holds a post-graduate degree in information technology and management form All India Management Association, New Delhi, India. Gupta actively contributes articles to Web sites, magazines, and journals such as "JavaWorld" and "Java De...