Flutterexperts

If you have a String in Dart if you need to reverse the request for the characters, there are multiple ways of making it happen.

This blog will explore the Reverse of a String In a Dart. We perceive how to execute a demo program. We will show you various ways to reverse a given string in Dart. This additionally works for any Dart framework including Flutter applications.

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Table Of Contents::

Reverse Using Split and Join

Reverse Using Runes

Reverse Using Code Units

Conclusion

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Reverse Using Split and Join:

Dart’s String doesn’t have an inherent class part for reversing the characters. Be that as it may, Dart’s List has turned around getter. We can use it to reverse a String.

String reverseUsingSplitAndJoin(String text) {
  final chars = text.split('');

  return chars.reversed.join('');
}

The arrangement is to split the String into a List of characters, get the characters in the reversed request utilizing the reversed getter, and join the List into a String.

Reverse Using Runes:

One more method for reverse around is by getting the runes property of the String. The runes property returns an Iterable of unicode code-pont (int) of the characters.

String reverseUsingRunes(String text) {
  final chars = text.runes.toList();

  return String.fromCharCodes(chars.reversed);
}

The Iterable can be changed over into a List by calling the toList technique. Very much like the past method, utilize List’s reversed property to get the components in the reversed request. To change over the character codes to a String, utilize the factory technique String.fromCharCodes.

Reverse Using Code Units:

You can likewise get the codeUnits property of the String which returns a List of UTF-16 code units (int).

String reverseUsingCodeUnits(String text) {
  final chars = text.codeUnits;

  return String.fromCharCodes(chars.reversed);
}

Then, at that point, utilize the reversed strategy to reverse the request for the characters and convert it to a String utilizing the String.fromCharCodes factory technique.

Let’s put all the code together:

void main() {
  var flutterDevs = 'FlutterDevs';

  print(reverseUsingSplitAndJoin(flutterDevs));
  print(reverseUsingRunes(flutterDevs));
  print(reverseUsingCodeUnits(flutterDevs));
}

String reverseUsingSplitAndJoin(String text) {
  final chars = text.split('');

  return chars.reversed.join('');
}

String reverseUsingRunes(String text) {
  final chars = text.runes.toList();

  return String.fromCharCodes(chars.reversed);
}


String reverseUsingCodeUnits(String text) {
  final chars = text.codeUnits;

  return String.fromCharCodes(chars.reversed);
}

When we run the application, we ought to get the screen’s output like the underneath screen Console Output.

sveDrettulF
sveDrettulF
sveDrettulF

Process finished with exit code 0

Conclusion:

In the article, I have explained the Reverse of a String In Dart; you can modify this code according to your choice. This was a small introduction to the Reverse a String In Dart User Interaction from my side, and it’s working using Flutter. With no extra library, multiple ways of reversing a String in Dart exist.

The first is to split the String into a List of characters, reverse the request for the characters, and join the reversed characters. It should likewise be possible by getting the runes or codeUnits of the String, reversing the request for the character codes, and converting the character codes into a String

I hope this blog will provide you with sufficient information on Trying the Reverse a String In the Dart of your projects. So please try it.

❤ ❤ Thanks for reading this article ❤❤

If I got something wrong? Let me know in the comments. I would love to improve.

Clap 👏 If this article helps you.

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