title: How to remove the echoChar (TextField)?
body: <p>I'm using</p>
  
  <pre><code>setEchoChar('*');
  </code></pre>
  
  <p>on an AWT TextField for passwords. However, I can't find a way to undo this. The JavaDoc says I got to set echoChar to 0, but how do I do this?</p>
  
  <p>Thanks!</p>