title: How to get the length of an array?
body: <p>How to get the length of a string array like </p>
  
  <pre><code>str 30 name[];//dynamic array
  </code></pre>
  
  <p>I used the following for getting the length,but it showing the error as "the variable is not of the type CLASS."</p>
  
  <pre><code>int len=name.get_length();
  </code></pre>