Concatenation is two text statement to concate to a sum type Concatenation is used + symbol to marge to statement.
<h1 id="heading-multiline-string">Multiline string:</h1>
A Multi line String is to store multi data in String
Ex:
<pre><code class="lang-dart">void main() {
 String Con_tring = '''
 This is a fun
 multi-line 
 string in 
 Dart.
 ''';
/* 
 Two ways to write
(''' is to write data''');
 (""" is to write data """");
*/
 print(Con_tring);
}
</code></pre>

Concatenation is two text statement to concate to a sum type  
Concatenation is used + symbol to marge to statement.

# Multiline string:

A Multi line String is to store multi data in String

Ex:

```dart
void main() {
  String Con_tring = '''
    This is a fun
    multi-line 
    string in 
    Dart.
  ''';
/*  
  Two ways to write
(''' is to write data''');
    (""" is to write data """");
*/
  print(Con_tring);
}
```