Programming

Java

A typed, compiled language and still the most common choice for backend jobs in India.

About 30 hours of study.

Where to learn it

Read

University of Helsinki

Java Programming I, parts 1–7

Hundreds of small graded exercises. The best free way to actually get fluent.

Written lessons with hundreds of graded exercises.

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Watch

Debasis Samanta, IIT Kharagpur

The full course

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Practise

Java track

Free practice tracks with mentoring, one per language.

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Learn Java (dev.java) (read)
Getting started, Language basics, Classes and objects

Wrong chapter, dead link, or know something better? Tell us on GitHub.

Java