javadoc states:
In initial state is invalid a require a call to next() before calling other methods.
It seems there are several missing words. E.g.:
Initially state is invalid aND requireS ...
or
In initial state CHANGE is invalid aND requireS ...
In initial state is invalid a require a call to next() before calling other methods.
It seems there are several missing words. E.g.:
Initially state is invalid aND requireS ...
or
In initial state CHANGE is invalid aND requireS ...