title: what is use of out parameter in c#
body: <p>Can you please tell me what is the exact use of <strong><code>out</code></strong> parameter?</p>
  
  <blockquote>
    <p><strong>Related Question:</strong><br>
    <a href="https://stackoverflow.com/questions/516882/what-is-the-difference-between-ref-and-out-c">What is the difference between ref and out? (C#)</a>  </p>
  </blockquote>