Java

Lesson in the Backend Developer Roadmap · Stage 2: Frontend Basics

Last updated 14 September 2026

What is Java?

Java is Oracle's high-level, object-oriented language following "write once, run anywhere" via JVM. Features automatic memory management, vast standard library, and strong security. Widely used for enterprise applications, Android apps, and backend systems.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn Java

Java: common questions

Can I learn Java in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Java in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Java tutorial for beginners?

It is lesson 13 of 155 in the free Backend roadmap, in stage 2, Frontend Basics. If you are new to Backend, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.