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KtKotlinBeginnerEditable example10 min

Classes

Classes in practical Kotlin programs, with editable notebook code and a focused exercise.

Lesson notes

This lesson turns classes into a small example you can edit, copy and run locally.

null safetyclassesbackend patterns

Editable notebook cell

Starter code

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Output

Editable example
Expected output:
Hello Ada

Live execution for this language is coming soon. You can edit, copy and run this code locally.

Try this

Change the sample data, predict the output and note what concept changed.

Hint: Make the smallest possible edit first.