This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
NIshi, today MVC architecture is a must. That's separation of business logic, persistence logic, rendering logic. Its not a difficult concept. You just need to create different classes, like bean class, a separate class for servlet, persistence and jsp to render the view. Try, we are there to help you