How to deal with checked exceptions that cannot ever be thrown

Posted by ammoQ on Programmers See other posts from Programmers or by ammoQ
Published on 2011-11-29T09:17:45Z Indexed on 2011/11/29 10:07 UTC
Read the original article Hit count: 235

Filed under:

java

|

exception-handling

Example:

foobar = new InputStreamReader(p.getInputStream(), "ISO-8859-1");

Since the encoding is hardcoded and correct, the constructor will never throw the UnsupportedEncodingException declared in the specification (unless the java implementation is broken, in which case I'm lost anyway). Anyway, Java forces me to deal with that exception anyway.

Currently, it looks like that

try {
    foobar = new InputStreamReader(p.getInputStream(), "ISO-8859-1");
}
catch(UnsupportedEncodingException e) { /* won't ever happen */ }

Any ideas how to make it better?

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