Learning Kotlin: nullability

Wondering how to handle null in Kotlin?

Kotlin strictly differentiates between null and non-null types. This is great because it forces developers to consider when & where to use null. In this video, you’ll learn the basics of defining null variables, defining null parameters, and checking for null values.

  • 0:08 How Kotlin handles null
  • 0:30 Forces us to think about handling null
  • 0:58 Define null variables
  • 2:40 Define null function parameter
  • 3:10 Checking for null
  • 4:20 Elvis operator
  • 5:40 Null-safe call
  • 6:01 Non-null asserted call

Thoughts, questions, tips for handling null in Kotlin? Comment below or share on social media. I’d love to continue the conversation.


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About Nate Ebel

Husband Fur Dad Software Engineer Runner Geek I aim to cultivate a growth mindset in myself, and others, in hope we can effect positive change in the world.

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