Question

How to iterate over a string char by char in Dart

Answer 1

void main() {
    var s = 'dart';
    
    s.runes.forEach((int rune) {
        var ch = new String.fromCharCode(rune);
        print(ch);
    });
}




/*
run:

d
a
r
t

*/

 

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Answer 2

void main() {
    var s = 'dart';
    
    s.split('').forEach((ch) => print(ch));
}




/*
run:

d
a
r
t

*/

 

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Answer 3

void main() {
    var s = 'dart';
    
    for (int i = 0; i < s.length; i++) {
        print(s[i]);
    }
}




/*
run:

d
a
r
t

*/

 

70+ SQL courses for beginners and professionals