Is it going to be Ruby (on Rails) or Java (and J2EE)? Which one is going to be the future hot technology? Well these questions always remain irrespective of some technology is hot at present or in the future. When it comes to Rails or J2EE for web applications there has been interesting discussions and the question from the Java community has always been what about enterprise class applications and scalability of Rails applications? While there is no concrete answers to these questions here is a good interview in OnJava on “Ruby the rival?” The interview is given by leading experts in the J2EE arena who have recently also got into Ruby and Rails and they answer the above questions.