This isn't one I've seen much use for.
It would also be possible to write it as a decorating wrapper for a
map, rather than as a static utility method.
Stephen
2009/10/25 assembling signals <assembling.sign...@yandex.ru>:
> Hello!
>
> I am thinking about a new method getSafe(...) for the "Collections" utility
> class.
>
> It would do get(...) on a map, but instead of returning null (when an entry
> is not found),
> it would throw NoSuchElementException.
>
> @Nonnull
> public static <K,V> V getSafe(Map<K,V> map, Object key){
> if(!map.containsKey(key)) {
> throw new NoSuchElementException(/* some message here */);
> }
>
> return map.get(key);
> }
>
> What do you think about it?
>
