Krishna is a software engineer working in Chennai, India. He has two years of experience on Java / J2EE technologies. He is moderating a website (www.javabeat.net) for Java Certifications. He is a Sun Certified Java Programmer(SCJP), Sun Certified Web Component Developer(SCWCD) and Sun Certified Business Component Developer(SCBCD). He blogs at http://hikrish.blogspot.com/ .