A free online course from the University of Helsinki that teaches object-oriented programming using Java. It is project-based and works through the fundamentals in a MOOC format.

Commenters call it really good and free, and say it is how they got started with OOP and that it teaches the fundamentals well.

On Reddit (2)

1. Recommendshermitfistr/learnprogramming2021in “A programming book?”▲ 2

   If you want to learn OOP, I highly recommend learning Java. I didn't really start with a book. This course from University of Helsinki is really good though and free. That's how I got started with OOP. Learning programming in general on the other hand as a complete beginner, I started with coding…

2. RecommendsCodeKnight11r/learnprogramming2018in “Looking for a Java course”▲ 1

   Stanford's CS106A? If you want to learn Java I'd personally recommend University of Helsinksi's Object Oriented Programming MOOC ( mooc.fi/en ). It is project based and teaches you the fundaments really well. Supplement the MOOC with John Purcell's free Java course on Udemy…

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