This short book is about & # 96; core & # 96; C++ - the main ideas (building objects and establishing interaction between them), without which it is impossible to master this programming language. Learning from simple short examples, the reader gradually gets acquainted with a range of object-oriented programming ideas and the basic constructions of the C++ language. After reading this book, you can write quite complex programs. But most importantly, knowledge of the basic ideas and constructions of the language makes it easy to navigate the world of C++ and other object-oriented languages, to independently obtain the missing knowledge.