The book "Java - Object-Oriented Programming" by Vasilyev A. N. is a unique tutorial designed for both novice programmers and those who already have experience with the Java language and want to deepen their knowledge in the field of object-oriented programming (OOP) This edition is not just a textbook, but a real find for everyone who seeks to master one of the most popular programming languages in the world. Vasilyev A . N. Masterfully explains complex OOP concepts such as encapsulation, inheritance, and polymorphism, making them accessible to even those who are just starting out in programming. The book is filled with practical examples and tasks that will help the reader not only to assimilate the theoretical material, but also to apply it in practice. Each section is built in such a way that the reader can consistently and logically master new material, which makes the learning process fascinating and productive. Who can like this edition? First of all, it is addressed to technical students, novice developers and anyone who wants to master Java programming . The book will also be useful for professional programmers who want to update their knowledge in the field of OOP and learn about new features of the language. If you are interested in software development, mobile application development or web development, then this guide will be a great help for you. The topics raised in the book go beyond just learning a language. Vasilyev A . N. focuses on the importance of software design, explains how to properly organize the code so that it is not only functional, but also easy to read and maintain. The book also touches on testing and debugging issues, which is an integral part of the programmer's job. As a result, the reader receives not only knowledge about Java, but also an understanding of the principles of developing high-quality software. The author's style is clear and accessible. Vasilyev A . N. He is able to explain complex things in simple language, which makes his books especially valuable for a wide audience. Among other well-known works of the author are Java for Beginners and Algorithms and Data Structures in Java, which also received positive feedback from readers. His experience and deep understanding of the subject allow him to create materials that not only inform, but also inspire new achievements. If you are looking for a book that will help you immerse yourself in the world of object-oriented programming in Java, "Java - Object-oriented programming" will become your reliable companion. This edition will not only give you the necessary knowledge, but will also open doors to the fascinating world of programming, where your ideas can become a reality. Do not miss the opportunity to become part of this exciting journey, armed with knowledge that will help you in the future.