On Mon, 2003-09-08 at 16:08, Arun Thomas wrote: > I'm not sure if it makes sense to call it an "entry that maps to null" but consider > that the the cardinal map returned by this function will be accessed in the > following manner: > > Integer x = returnedMap.get(obj); > > That statement may just be pointing out that instead of returning Integer(0) for > objects that weren't in the collection, a null will be returned instead - as you > pointed out, an object not in the collection will not be mapped to anything, and so, > when used as a key, will lead to a null value. >
Yep, the comment is useful in the context getFreq ( Object, Map ). BTW, a possible optimization of getFreq would to remove the use of exception handling as part of the expected code path and test for null explicitly. -Janek --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
