code: @Nonnull
    @ReturnsMutableCopy
    public static byte [] encodeCharToBytes (@Nonnull final char [] aCharArray, @Nonnull final Charset aCharset)
    {
      return encodeCharToBytes (aCharArray, 0, aCharArray.length, aCharset);
    }
docs: Encode a char array to a byte array using the provided charset. This does the
  same as <code>new String (aCharArray).getBytes (aCharset)</code> just without
  the intermediate objects.
  
  @param aCharset
  Charset to be used. May not be <code>null</code>.
  @param aCharArray
  The char array to be encoded. May not be <code>null</code>.
  @return The created byte array. Never <code>null</code>.
  @since 8.6.4