INDEPENDENT KOTLIN STUDY

A little code.
A clearer idea.

Kotlin courses for people who like to understand what they write. Explore the language through focused guides, readable examples, and considered practice.

10 focused guidesEnglish · PDFFrom €0 EUR
INTERACTIVE STUDY OBJECT01 — KOTLIN
01 / IMMUTABLE VALUESvalval language = "Kotlin"NAME AN IDEA.
04 / ABSENCE?:name ?: "Reader"HANDLE WHAT IS MISSING.
02 / FUNCTIONSfunfun square(x: Int) = x * xGIVE IT A PURPOSE.
05 / COLLECTIONSmaplistOf(1, 2).map { it * 2 }FOLLOW THE DATA.
03 / MODELSdatadata class Note(val text: String)ADD SOME STRUCTURE.
06 / A STARTING POINTmainfun main() { println("Hello") }BEGIN WITH ONE LINE.

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val & varFunctionsCollectionsNull safetyCoroutinesProject thinking
01 / OUR MISSION

Understand the why
behind the syntax.

We make space for a slower, more deliberate kind of programming study. Start with a small example. Follow the values. Ask what changes, and why.

Our Kotlin guides move from first expressions to structured programs. Each has a clear subject, so you can choose what to study and return to it when you need a reminder.

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02 / THE COURSE COLLECTION

Find your next chapter.

Start at the beginning or choose a specific topic.
Each guide is a separate, one-time purchase.

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03 / A CONSIDERED APPROACH

Made for the way
you study.

Read. Then try.

Written explanations sit alongside code examples and practice prompts.

A visible syllabus

See the topics and prerequisites for every guide before choosing.

Your own pace

Revisit a passage, pause for an exercise, and continue when it suits you.

One topic at a time

Choose a focused guide without a subscription or recurring commitment.