DART — Null Safety

Overview

Learn Null Safety in DART with a clear explanation and a practical example.

What you'll learn

• What Null Safety means
• When to use it
• How it works in practice
• A copy‑paste example

Syntax

void main(){}

Example

void main(){
  print("Hello Dart");
}

Notes

• Test the example in the Playground.
• Start simple, then expand.

Mistakes

• Mixing up the syntax.
• Not testing the output.