Flutter
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Dart 3.6
Kodebits Day 29: Cascade Notation
May 25 2026
Practice cascade notation with a short dart challenge.
What does this print?
void main() {
final nums = <int>[]
..add(5)
..add(8)
..add(3);
print(nums.length);
}
Try it in the online Dart Playground →
[spoiler title="Solution"]
Answer:
3
Explanation:
Cascade notation (..) allows chaining operations on the same object.
[/spoiler]