Java programming language. Lessons for beginners from hyperskill


Java Basics

What is Java?

Java is a high-level programming language that was developed by Sun Microsystems (now Oracle) in 1995. Java is an object-oriented programming language that allows you to develop cross-platform applications that can run on different operating systems such as Windows, macOS, and Linux.

Java is used to develop a variety of applications, including web applications, mobile applications, desktop applications, and games. It is also used to develop server applications and embedded systems.

Some of the most famous applications and operating systems that have been developed in Java include the Eclipse development environment, the Apache Cassandra database, the Android operating system, and more.

Java tutorial from Hyperskill

We bring to your attention a textbook on the Java programming language from the site

You can complete the full training course at, complete practical tasks in each topic and collect points. On our site W3SchoolsEn. The Best you will be able to familiarize yourself with the basics by taking theoretical lessons and find answers to practical tasks that will help you in passing the training course directly on the Hyperskill website.

We recommend studying the topics of this tutorial in the sequence indicated in the left menu (or by opening the burger menu if you use mobile gadgets).

Java is an object-oriented language, and some concepts may be new. The Java programming language is constantly updated and developed. Therefore, we recommend that you also use the official documentation on the site:

Use practical tasks

Learn from practical tasks! Each topic is followed by practical tasks that must be completed on the official Hyperskill website. Only after learning the theoretical information can you begin to perform practical tasks.

Download Java

You can download Java from the official Java website:


The Java programming language is used to create many popular software and web applications. Here are some of them:

  • Eclipse is an integrated software development environment
  • Android Studio - a development environment for the Android mobile platform
  • Minecraft is a popular video game that uses Java for its implementation
  • Apache Cassandra is an open source database management system
  • Apache Lucene - a library for full-text search and data indexing
  • Spring Framework - a framework for developing Java web applications
  • Hibernate - a library for working with databases based on the Java Persistence API
  • Jenkins is a tool for automating the process of software assembly and testing

These are just a few of the many programs and web applications that have been created using the Java programming language.

Java Lessons

Basics Code organization Working with data Errorless code Java internals Additional instruments

Note. This section is only being developed and filled with materials. Therefore, some links may not work temporarily!