Convert byte to Hex to analyse Encoding problems

gistfile1.java

  public String byteToHex(final byte b) {
		  // Returns hex String representation of byte b
		  char hexDigit[] = {
		     '0', '1', '2', '3', '4', '5', '6', '7',
		     '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
		  };
		  char[] array = { hexDigit[(b >> 4) & 0x0f], hexDigit[b & 0x0f] };
		  return new String(array);
	}