In today's world, nearly every aspect of our lives is intertwined with information technology. From banking operations to medical research, entertainment to education, software is ubiquitous. The creation of this software is impossible without understanding the basics of programming, making it one of the most crucial disciplines in education (technical education). The monograph aims to provide an in-depth study of the fundamental principles of programming, analyses contemporary approaches and methodologies, and present practical aspects of software development. The author tries to arm the readers with robust knowledge, fostering their growth into highly qualified specialists in the field of programming.