How to count the Number of Occurrences of Specific Element in the List in Dart - Step by Step Examples

How to count the Number of Occurrences of Specific Element in the List in Dart ?

Answer

To count the number of occurrences of a specific element in a list in Dart, you can use the List's .where method with a condition to filter elements and then count them.

✐ Examples

1 Count Occurrences in List

In this example,

We create a List named myList and add elements to it.
We use the List's .where method with a condition to filter elements.
We convert the filtered list to a List and get its length, which gives the count of occurrences.
Finally, we print the count to the console.

Dart Program

void main() {
  List<int> myList = [1, 2, 3, 2, 4, 2, 5];
  int count = myList.where((element) => element == 2).toList().length;
  print('Number of occurrences: $count');
}

Output

Number of occurrences: 3

Summary

In this tutorial, we learned How to count the Number of Occurrences of Specific Element in the List in Dart language with well detailed examples.

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