The book covers the basics of Kotlin programming language and provides step-by-step instructions for building several tiny projects, including a simple calculator app, a to-do list app, and a quiz game. The book begins by introducing the concept of technology evolution and its impact on society. It highlights the importance of understanding the process of technological advancement and its role in shaping our world. The author emphasizes the need for a personal paradigm for perceiving the technological process of developing modern knowledge as the basis for the survival of humanity and the survival of the unification of people in a warring state. The book then delves into the basics of Kotlin programming language, explaining the syntax and structure of the language in an easy-to-understand manner. It covers topics such as variables, data types, functions, loops, and conditional statements. The author also provides examples of how to use Kotlin to build simple applications, such as a calculator and a to-do list app.

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