Re: Iterating over Maps: Am I missing something?

From:
"Steve W. Jackson" <stevewjackson@knology.net>
Newsgroups:
comp.lang.java.help
Date:
Tue, 06 Feb 2007 13:52:47 -0600
Message-ID:
<stevewjackson-B49D1D.13524706022007@individual.net>
In article <1170790983.171499.281770@l53g2000cwa.googlegroups.com>,
 "dsh0105@gmail.com" <dsh0105@gmail.com> wrote:

I've found that I often need to iterator over a Map and do something
to each element of the Map. The only way I've found to do this is to
get a get a KeySet from the map, get an Iterator from the KeySet and
use that Iterator to move over the elements of the Map. Is their a
simpler (less verbose) way of accomplishing this:

Set<String> keys=myMap.keySet();
Iterator<String>it=keys.iterator();
while (it.hasNext())
{
String key=it.next();
String value=myMap.get(key);
/*
Do something to the value...
*/
}

This just seems like a lot of work when you compare it to what you can
do with a ArrayList (assume this is a list of Strings for example
purposes)
for (String s: myList)
{
//Do something with s
}

Any advice appreciated.


Iterator<String> it = map.values().iterator();

HTH.

= Steve =
--
Steve W. Jackson
Montgomery, Alabama

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