Scala School is a tutorial series provided by Twitter, one of the leading social media platforms. Twitter has a strong reputation in the tech industry for its use of Scala in its backend systems, making it a credible source for Scala education. This tutorial is freely available on GitHub, demonstrating Twitter's commitment to open-source education and knowledge sharing in the developer community.
Scala is a modern, multi-paradigm programming language that combines object-oriented and functional programming concepts. It runs on the Java Virtual Machine (JVM) and is fully interoperable with Java. Scala offers powerful features like type inference, pattern matching, and immutability, making it popular for building scalable and concurrent applications, particularly in big data processing and distributed systems.