This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Error class extends from Throwable .It has Subclass exceptions like AssertionError ,OutOfMemoryError etc. and object of type Error do not need to be handeled .However you can handle or declare them.Compiler doesn't care.Errors are thrown at runtime .
Thats all i know and i think thats all sufficient to know for SCJP.If anyone knows a few more thing .Please Share.