Dart – Set Length

To get the length of a Set in Dart, read its length property. length property is read-only and returns an integer representing the number of elements in the Set.

Syntax

The syntax to read length property of a Set set is

set.length

Example

In this example, we take a Set of strings fruits and find the length of this Set programmatically using Set.length property.

main.dart

void main() {
  var fruits = {'apple', 'banana', 'cherry'};
  var len = fruits.length;
  print('Length of given Set : $len');
}

Output

Length of given Set : 3

Conclusion

In this Dart Tutorial, we learned how to get the length of a Set, with examples.