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.
this means that these operations do not need to be fully implemented, if you have a look at the API documentation, an operation may throw UnsupportedOperationException if a concrete implementation of the List interface does not support the add(Object obj) method.
"The UrlyBird catches the certificate. And he's gonna FlyByNight"<br /> <br />SCJP 1.2/5.0, SCJD, SCBCD, SCWCD, SCEA