subscribe method
Subscribe to one or more subjects.
As an example, supposing messages are market data updates having as subjects stock names. Then, to subscribe for the messages having as subjects \c /stocks/NYSE/IBM and \c /stocks/Nasdaq/MSFT use:
List
The subjects are strings having a particular syntax. See the "Concepts" section of the Architecture Guide to learn the syntax of the subjects.
\param subjects subjects to subscribe
Implementation
subscribe(List<String> subjects) {
clientImpl.subscribe(subjects, 0);
}