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.
Object, class from which all other java objects are subclassed
Java object, general name for any Java object
JavaBean, a Java object that follows a prescribed pattern that makes it easy to create and instrospect
POJO, plain old Java object (to differentiate it from specialized Java objects such as EJB's)