title: Java unmappable character for encoding UTF-8 netbeans {"copy", "169"}, // ? - copyright sign
body: <p>I've downloaded the apache lang source, but my netbeans encoding is UTF-8, I gen an error that:</p>
  
  <pre><code>\src\org\apache\commons\lang\Entities.java:64: error: unmappable character for encoding UTF-8
          {"copy", "169"}, // ? - copyright sign
  </code></pre>
  
  <p>how can I solve this?</p>
  
  <p>I've tried to encode the file itself to utf-8 by notepad++ but it didn't helped</p>