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How is Google's Collection code better than the standard collections?

google collections is just some utility code built ontop of standard java collections. one of the features, which is why we use it, is the easy creation of "soft maps", that is maps whose values may be discarded if there's not enough memory.

And, http://java.dzone.com/articles/introduction-google

gives some good reasons to use it

Thanks.

Java seems to have hundreds (thousands) of libraries like Google Collections to choose from, how do you choose which ones to use?

First you start with what Snacko uses...

At least it is a start, ha.