title: Why do we use volatile keyword?
body: <blockquote>
  <p><strong>Possible Duplicate:</strong><br />
  <a href="https://stackoverflow.com/questions/72552/">Why does volatile exist?</a></p>
  </blockquote>
  
  <p>I have never used it but I wonder why people use it? What does it exactly do? I searched the forum, I found it only C# or Java topics.</p>