How many language a good programmer suppose to learn?

Answer 1

1 for front end, 1 for back end, 1 for database.

Answer 2

right question is what the skills should programmer know
you should know about fundamental of computer science ,algorithm,and datastrucures
programming language is just atool if you became a professional in any one of them it will be easy to move from language to different languages

Answer 3

when you have learned 1 language, learn another languages is not a problem. So as many as you want.

Answer 4

@Krishna what's front end and back end

Answer 5

okay tnx

Answer 6

front end means client side or what user interact with usually can say ui design.
back end means server side or the operations part that all the functions working or the programming part

Answer 7

@L33T this link will give you a better explanation: https://www.quora.com/Which-programming-languages-are-front-end-and-which-ones-are-back-end