An Error is a subclass of Throwable
that indicates serious problems that a reasonable application
should not try to catch. Most such errors are abnormal conditions.
The ThreadDeath error, though a "normal" condition,
is also a subclass of Error because most applications
should not try to catch it.
A method is not required to declare in its throws
clause any subclasses of Error that might be thrown
during the execution of the method but not caught, since these
errors are abnormal conditions that should never occur.
Erroris a subclass ofThrowablethat indicates serious problems that a reasonable application should not try to catch. Most such errors are abnormal conditions. TheThreadDeatherror, though a "normal" condition, is also a subclass ofErrorbecause most applications should not try to catch it.A method is not required to declare in its
throwsclause any subclasses ofErrorthat might be thrown during the execution of the method but not caught, since these errors are abnormal conditions that should never occur.