This program is designed to help users quickly learn Java programming. The app covers all the fundamental concepts of Java programming, from beginner to advanced levels. The course requires no prior programming knowledge, making it ideal for beginners who want to learn Java. Experienced programmers can also use this app as a reference and for code examples. The app includes an interactive test system for each section, featuring over 200 questions to help users prepare for various interviews and exams. The content is available in nine languages: English, French, German, Italian, Polish, Portuguese, Russian, Spanish, and Ukrainian. The programming guide covers the following themes: • Variables and Data Types • Operators • Console Input and Output • Conditional Statements • Loops • Methods • OOP Concepts • Encapsulation • Inheritance • Abstraction • Polymorphism • Arrays • Strings • Collections • Exception Handling • Files • Multithreading • Annotations The content of the application, as well as the test questions and answers, is updated with each new version.