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.
I have worked with servlets but have only ready about JSP. If I display a screen and the user inputs some values do I do a validity check in JSP or do I do it in a servlet. This is a very general question.