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.
That depends exactly what you mean by that. There are at least two obvious possible interpretations. If you don't TellTheDetails(⇐ click) and ask a clear, precise question, it makes it difficult for people to help you.