This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
ArrayList , in general any Collection can hold only Objects. In this ArrayList<QuizCard> , QuizCard must be user defined class.By the way is typo error or missed importing the class QuizCard ? QuizCard class must be available in teh classpath .