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 the following code. Lines 61 through 67 are supposed to be removing the duplicates from the list of titles coming from the file. However when I run this in NetBeans the duplicates appear. What do I need to do to have the duplicates removed?