From Rosetta Code
Languages I use
Language Proficiency
C Intermediate
C++ Intermediate
C_sharp Intermediate
Java Intermediate
JavaScript Beginner
Perl Intermediate
PHP Intermediate
Swift Beginner

As a master of Computer Science attending the Norwegian University of Science and Technology in 1990's, and working with system development since, I've gained some knowledge in different programming languages. However I didn't discover until early 2015 when I set out to learn the Swift language, and decided to use the non-implemented tasks here as a exercises and training.

Some starting points: