@return <code>true</code> if the selectable is interested in receiving notification (via the {@link #readable()} method that indicate that the associated {@link SelectableChannel} has data ready to be read from it.
See Implementation
@return <code>true</code> if the selectable is interested in receiving notification (via the {@link #readable()} method that indicate that the associated {@link SelectableChannel} has data ready to be read from it.