Indeed, have you ever thought the world without a programmer? of course every sorts of development in diverse IT field is happening through the Programmer. Yet being a student in computer science platform, its obligate to be skilful in a particular programming language.
The most common and prevalent language is C. Because it is always advantageous.
If you want to be specialised in web development try over the php, nodejs
For other app game development Java is in top notch.
In the first place, choose your interest towards a particular channel. By the same token get dabbled in to it and get specialized