This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Whenever you create an array, depending on the data type of array (int, String, double etc.) the elements are initialized to some particular value. For int this value is 0. For String it is null, so if you have this: