Kotlin. A Brief Course

Practical introduction to the Kotlin programming language, aimed at quickly and confidently mastering the modern development stack. Key concepts of the language are discussed, principles of object-oriented and functional programming, working with collections, concurrency mechanisms with coroutines, and the basics of modular testing. The book contains practical projects that allow readers to immediately consolidate their knowledge and see its application in real tasks. Special attention is paid to reliable approaches to development, REST services, cloud, and serverless solutions. The author draws on years of experience working with large cloud platforms and modern architectural models, combining theory with industry-proven practices.