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Free Java lessons
Read Java code, predict what it does and try it online.
3 modules0/9 lessons done 215 XP
Module 1
Hello, Java! ☕
Meet Java, the language behind robots, apps and space missions, and write your first programs.
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Module 2
Variables & Robot Math 🔢
Store sensor readings in typed variables and do robot-sized math (with a few surprises).
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Module 3
Decisions & Loops 🔁
Make your robot think with if/else and repeat tasks with for and while loops.
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