title: java utils.Properties how to ignore BOM char
body: <p>I edit in notepad cfg.prop file</p>
  
  <p>cfg.prop:</p>
  
  <p>key=val</p>
  
  <pre><code>my code:
      Properties prop = new Properties();
      prop.load(new InputStreamReader(new FileInputStream("etc/agent.prop"), "UTF-8"));
      System.out.println(prop);
  </code></pre>
  
  <p>then I see in stdout {?key=val}, becose notepad save UTF-8 file with BOM character (efbbbf)
  how to ignore this character?
  I use java6u21</p>