Lessons and articles are laid out in the application that will help any novice and already established developers to master technologies for developing Java applications. All content is available absolutely free!
It mainly considers the stack for developing back-end applications: Java Core (the Java language itself), Spring (Core, Boot, MVC, Rest API, etc.), Hibernate, JDBC, etc. But this application is not limited to: for example, article cycles on creating my bot for Telegram and on other topics are being released.
The application provides practical knowledge: you have to write and parse a lot of code. The lessons contain articles describing any technology, syntax, in the future they will be supplemented by a list of tasks and their solutions with explanations.
Links to downloading source code are available in each article. And for discussing tasks, application material, there is a special Telegram chat.