What computer language is needed for ethical hacking

Answer 1

I would have to say python for scripting, java script for website manipulation, sql for sql injection, php for database knowledge and then a language like java or c++ for general programming knowledge.
Hackers, ethical or not, have an arsenal of programming languages they can use as they need to know a lot of different ways to do things

Answer 2

Depending on what you wish to do...

Answer 3

Read CEH exam preparation. go to https://www.eccouncil.org/programs/certified-ethical-hacker-ceh/and download blueprint. everything you need is there.