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.
No it isn't. If you read the Javadocs that Sun provided and look at how DataInfo classes get instantiated from the Data class you will see that it is a unique record number, not flight number. Hope that helps Mark