The basic syntax of the Java language is described: data types, operators, conditions, loops, regular expressions, object-oriented programming. The main classes of the standard library, obtaining data from the Internet, working with the MySQL database are considered. Most of the innovations are described: Date API, Stream API, lambda expressions, links to methods, functional interfaces, etc. The book contains a large number of practical examples to help you start programming in Java yourself. All material is carefully selected, well structured and compactly presented, which allows you to use the book as a convenient reference. An electronic archive with examples is located on the publisher's website.