A detailed description of data structures and algorithms, as well as their development, analysis and implementation, is presented using the example of Java, a rapidly developing programming language. The authors are not only renowned researchers in the field of data structures and algorithms, but also have extensive teaching experience. The rational organization of the material allows you to use this book as a textbook. The publication is intended both for those who are just starting to study algorithms and data structures, and for those who have an idea of ​ ​ this problem.