URL decoding: UnsupportedEncodingException in Java

Question

What I understand from the documentation is that UnsupportedEncodingException can only be thrown if I specify a wrong encoding as the second parameter to URLDecoder.decode(S

Answer 1

That's because of the odd choice to make UnsupportedEncodingException checked. No, it won't be thrown.

I usually do as follows:

} catch (UnsupportedEncodingException e) {
  throw new AssertionError("UTF-8 not supported");
}