code: public boolean isAbsolute() {
  		final int start = hasWindowsDrive(uri.getPath(), true) ? 3 : 0;
  		return uri.getPath().startsWith(SEPARATOR, start);
  	}
docs: Checks if the directory of this path is absolute.
  
  @return <code>true</code> if the directory of this path is absolute, <code>false</code> otherwise