<h1 id="heading-what-is-loop">What is Loop?</h1>
<ul>
<li>A loop is used in Dart or any other programming language <strong>to repeat a sequence of commands a given number of times or until it satisfies a condition</strong>.</li>
</ul>
<h1 id="heading-exapmle">Exapmle:</h1>
<pre><code class="lang-dart"><span class="hljs-keyword">void</span> main()
{
      <span class="hljs-built_in">int</span> i;
      <span class="hljs-keyword">for</span> (i = <span class="hljs-number">2</span>; i &lt;= <span class="hljs-number">1024</span>; i *= <span class="hljs-number">2</span>)
      {    
          <span class="hljs-built_in">print</span>(i.toString());
      }
}
</code></pre>
<h1 id="heading-output">Output:</h1>
<pre><code class="lang-plaintext">2
4
8
16
32
64
128
256
512
1024
</code></pre>


# What is Loop?

* A loop is used in Dart or any other programming language **to repeat a sequence of commands a given number of times or until it satisfies a condition**.
    

# Exapmle:

```dart
void main()
{
      int i;
      for (i = 2; i <= 1024; i *= 2)
      {    
          print(i.toString());
      }
}
```

# Output:

```plaintext
2
4
8
16
32
64
128
256
512
1024
```

Dart String Manipulations: Building Strings in loop

What is Loop?

Exapmle:

Output: