Dart Set toString()
Syntax & Examples

Set.toString() method

The `toString` method in Dart returns a string representation of some or all elements of the set.

Syntax of Set.toString()

The syntax of Set.toString() method is:

 String toString()

This toString() method of Set returns a string representation of (some of) the elements of this.

Return Type

Set.toString() returns value of type String.


✐ Examples

1 Convert Set of integers to string

In this example,

  1. We create a Set numbers with elements 1, 2, and 3.
  2. We call the toString() method on the set.
  3. The method returns a string representation of the set's elements.
  4. We print the result to standard output.

Dart Program

void main() {
  Set<int> numbers = {1, 2, 3};
  var result = numbers.toString();
  print('Result: $result');
}

Output

Result: {1, 2, 3}

2 Convert Set of strings to string

In this example,

  1. We create a Set words with elements 'apple', 'banana', and 'cherry'.
  2. We call the toString() method on the set.
  3. The method returns a string representation of the set's elements.
  4. We print the result to standard output.

Dart Program

void main() {
  Set<String> words = {'apple', 'banana', 'cherry'};
  var result = words.toString();
  print('Result: $result');
}

Output

Result: {apple, banana, cherry}

Summary

In this Dart tutorial, we learned about toString() method of Set: the syntax and few working examples with output and detailed explanation for each example.