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.
hi, guys: I have a question: some methods in the Data class are not used in this assignment. But u know, i have a interface which has all the public methods in the Data class and i have to implement this interface in my project. i need to write some code in the override methods such as delete(), add() and .. or just let then empty? Thanks a lot! Xiaoma Wang