Fifteen programming languages you need to know in 2015

1. Java
2. JavaScript
3. C#
4. PHP
5. C++
6. Python
7. C
8. SQL
9. Ruby
10. Objective-C
11. Perl
12. .NET
13. Visual Basic
14. R
15. Swift

I agree with the commenters that some of these like .NET and SQL aren’t languages, and I have experience with some of them, what I really am interested in playing with is Swift.