Here are some of the exception classes supplied by Java (or, viewed as a tree):

Exception
	ApplicationException
	AWTException
	BackingStoreException
	BrokenBarrierException
	CertificateException
	CloneNotSupportedException
	DestroyFailedException
	ExecutionException
	ExpandVetoException
	FontFormatException
	GeneralSecurityException
	GSSException
	InterruptedException
	IOException
		ChangedCharSetException
		CharacterCodingException
			MalformedInputException
			UnmappableCharacterException
		CharConversionException
		ClosedChannelException
			AsynchronousCloseException
		EOFException
		FileLockInterruptionException
		FileNotFoundException
		ObjectStreamException
			InvalidObjectException
			OptionalDataException
			StreamCorruptedException
			WriteAbortedException
		ProtocolException
		RemoteException
			AccessException
			ActivateFailedException
			ConnectIOException
			ExportException
			InvalidActivityException
			MarshalException
			NoSuchObjectException
			ServerException
			ServerRuntimeException
			SkeletonNotFoundException
			StubNotFoundException
			TransactionRolledbackException
			UnknownHostException
			UnmarshalException
		SaslException
		SyncFailedException
		UTFDataFormatException
	JMException          
	NamingException    
	NotOwnerException  
	RuntimeException    
		AnnotationTypeMismatchException
		ArithmeticException
		ArrayStoreException
		BufferOverflowException
		ClassCastException
		CMMException
		ConcurrentModificationException
		DOMException
		EmptyStackException
		EnumConstantNotPresentException
		EventException
		IllegalArgumentException
			IllegalThreadStateException
			InvalidParameterException
			KeyAlreadyExistsException
			NumberFormatException
			PatternSyntaxException
			UnresolvedAddressException
		IllegalMonitorStateException
		ImagingOpException
		IncompleteAnnotationException
		IndexOutOfBoundsException
			ArrayIndexOutOfBoundsException
			StringIndexOutOfBoundsException
		MissingResourceException
		NegativeArraySizeException
		NoSuchElementException
		NullPointerException
		ProfileDataException
		RejectedExecutionException
		SecurityException
	UserException    
	XMLParseException