What is faster to learn and to be effective for self defence; Shotokan Karate or Wing Chun?

Hi Its a little like what came first the chicken or the egg? Shotokan Karate has it's roots in Wing Chun as has indeed many other "hard"styles. My Japanese Master used to say" if you want to be stong for one day, buy a black belt, if you want to be strong for one month train Kumite(free Fighting), but if you want to be strong forever train "Kata" (A series or patterns of movements taught in Martial Art), so my frind it really comes down to you, Strong "one day" look up a striking technique on the net and train it 24 hours per day for a week and it would save you in a fight, the problem comes if your first technique gets blocked "what then?" Ha Ha. Go on! Have a go learning it somewhere and enjoy the many friends you will have as well, ok. Take care bro