The tutorial 'The Joy of Kotlin' is provided by Manning Publications, a renowned publisher of technical books and educational content. Manning is known for its high-quality programming and technology resources, offering a wide range of learning materials for developers and IT professionals.
This tutorial focuses on Kotlin, a modern, expressive, and safe programming language developed by JetBrains. Kotlin is fully interoperable with Java and has gained significant popularity for Android app development. The course likely covers Kotlin's syntax, features, and best practices, helping learners to harness the power of this versatile language.