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.
Welcome to the JavaRanch. As with all things in software, the answer is "it depends". What kind of game are you writing? What platform is it targeted for? Are there better language options out there? There's a forum here for discussing Java game development. Have a browse.