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Java

From zero: what a class is, variables with types, loops, methods. Runs via the execution backend.

Estimated 30h · 3 lessons published (beginner complete; more levels next).

You have not completed any lessons in this track yet.

beginner

  1. 1What is a program? Your first Java fileFirst steps · Programs, classes, and main. Print your first line.
  2. 2Variables and typesFirst steps · What a variable and a type are; int, double, String, boolean.
  3. 3Loops and methodsFirst steps · What loops and methods (functions) are.

intermediate

The intermediate level for Java is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.

advanced

The advanced level for Java is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.

expert

The expert level for Java is planned. Beginner lessons below already teach the foundations; intermediate content follows the same lesson template.