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In these examples, Learn how to capitalize the first letter of a string or statement in Dart programming with examples.
The string contains a group of words separated by spaces and enclosed in single or double-quotes.
For example, if the string contains ‘hello world’, capitalize of a string is ‘Hello world’.
How to capitalize the first letter of a string in Dart
In this example, Written capitalizeFirstLetter function
- takes input as String and return String type
- In the function, Convert the first letter to Uppercase, appended to a substring excluding the first character.
- This function is called from the main function
Here is an example
void main() {
print(capitalizeFirstLetter('hello world'));
}
String capitalizeFirstLetter(String str) => str[0].toUpperCase() + str.substring(1);
Output:
Hello world
Another way using string append with interpolation syntax
void main() {
String message = 'hello world';
print('${message[0].toUpperCase()}${message.substring(1).toLowerCase()}');
}
