title: Replace a character at a specific index in a string?
body: <p>I'm trying to replace a character at a specific index in a string. </p>
  
  <p>What I'm doing is:</p>
  
  <pre><code>String myName = "domanokz";
  myName.charAt(4) = 'x';
  </code></pre>
  
  <p>This gives an error.  Is there any method to do this?</p>