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Free online courseCreate Apps

Duration of the online course: 10 hours and 24 minutes

New

Build real Android skills fast with a free app development course in Kotlin. Learn loops, ranges and coroutines, and earn a certificate to boost your portfolio.

In this free course, learn about

  • Kotlin basics: syntax, variables, types, operators, and null-safety
  • Control flow: if/when, ranges, and loops (for, while, do-while)
  • Which keyword defines a loop that runs while a condition is true (while)
  • Programming constructs for repeating code based on conditions (loops/iteration)
  • Kotlin range types and inclusivity: closed range includes start and end (..)
  • Async in Kotlin using coroutines to avoid blocking the main thread
  • Benefits of coroutines: lightweight concurrency, structured concurrency, simpler async code

Course Description

Turn your app idea into something you can actually build. This free online course is designed for anyone who wants to enter app development with confidence, even if you are starting from scratch. You will learn Kotlin with a practical, hands-on mindset, focusing on the language features that power modern Android apps and make your code clearer, safer, and easier to maintain.

Instead of getting stuck on theory, you will develop the core skills that quickly translate into real projects. You will understand how to control program flow with loops and conditions, how to work with ranges correctly, and how to write logic that repeats reliably without becoming messy. These fundamentals are essential when you begin creating screens, validating user input, processing lists, or handling interactions that depend on changing states inside an app.

A major highlight is learning how Kotlin supports modern asynchronous work through coroutines. You will see why apps need to stay responsive, what it means to avoid blocking the main thread, and how coroutines help you manage background tasks in a structured way. This knowledge is directly useful when building features such as loading data, handling network requests, or performing heavier operations while keeping a smooth user experience.

To reinforce learning, the course includes exercises that check understanding and help you build strong habits as you practice. By the end, you will be able to read and write Kotlin more comfortably, understand why certain constructs are chosen in real applications, and feel prepared to keep growing toward full app projects. If you are aiming to start a portfolio, explore a new tech career path, or add a valuable skill to your toolkit, this course offers a clear and accessible starting point.

Course content

  • Video class: Learn Kotlin From Zero to Hero in 10 Hours 10h24m
  • Exercise: Which keyword is used in Kotlin to define a loop that executes while a condition is true?
  • Exercise: What does Kotlin use to manage asynchronous tasks without blocking the main thread?
  • Exercise: What is the benefit of using coroutines in Kotlin programming?
  • Exercise: In the context of Kotlin programming, which range type includes both start and end values?
  • Exercise: In Kotlin, what keyword is used to represent a loop that executes as long as a specified condition is true?
  • Exercise: What type of programming construct in Kotlin is utilized to execute code multiple times based on a condition?

This free course includes:

10 hours and 24 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

100% free, from content to certificate

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