There are quite a lot of techniques around there. Try them all and choose witch is best for You. And no one is wrong, it just differs. Even if You invest something extremly new for Yourself.
Naive is to think j can't. There are so many different configurations Fender provide for j bass, so it's understood that for closest exploring everyone could find his standart.
If You could have a chance to choose any of worlds basses to have a new years gig, which one would You preffer ? I don't need this chance, because i already own my best think worlds greatest bass Ibanez GWB 1005.