Dart List first
Syntax & Examples
Syntax of List.first
The syntax of List.first property is:
This first property of List the first element.
Return Type
List.first returns value of type .
✐ Examples
1 Get the first element from a list of numbers
In this example,
- We create a list named
numbers
with elements[1, 2, 3, 4, 5]
. - We access the first element of the list using the
first
property. - The value of the first number is stored in
firstNumber
. - We print the first number to standard output.
Dart Program
void main() {
List<int> numbers = [1, 2, 3, 4, 5];
int firstNumber = numbers.first;
print('First number: $firstNumber'); // Output: First number: 1
}
Output
First number: 1
2 Get the first element from a list of characters
In this example,
- We create a list named
characters
with elements['a', 'b', 'c']
. - We access the first element of the list using the
first
property. - The value of the first character is stored in
firstCharacter
. - We print the first character to standard output.
Dart Program
void main() {
List<String> characters = ['a', 'b', 'c'];
String firstCharacter = characters.first;
print('First character: $firstCharacter'); // Output: First character: a
}
Output
First character: a
3 Get the first element from a list of strings
In this example,
- We create a list named
strings
with elements['apple', 'banana', 'cherry']
. - We access the first element of the list using the
first
property. - The value of the first string is stored in
firstString
. - We print the first string to standard output.
Dart Program
void main() {
List<String> strings = ['apple', 'banana', 'cherry'];
String firstString = strings.first;
print('First string: $firstString'); // Output: First string: apple
}
Output
First string: apple
Summary
In this Dart tutorial, we learned about first property of List: the syntax and few working examples with output and detailed explanation for each example.