Greet the Fall 2022 students! Use the language switch button to switch languages if you are comfortable with both Kotlin and Java.


Learn Computer Science at Illinois

CS 124 will teach you the basics of computer science and programming. Once you know these things, you can and will change the world.

CS 124 online is an innovative, immersive, interactive online experience. Try experimenting with the code above to begin your journey in computer science! And this semester we're offering CS 124 in both Kotlin and Java.

Our journey together begins now. Get excited!

Ready to go? Start here.