title: How do I compile with -Xlint:unchecked?
body: <p>I'm getting a message when I compile my code:</p>
  
  <pre><code>Note: H:\Project2\MyGui2.java uses unchecked or unsafe operations.
  Note: Recompile with -Xlint:unchecked for details.
  </code></pre>
  
  <p>How do I recompile with <code>-Xlint:unchecked</code>?</p>