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Here is a definition of HashSet vs HashMap:

A HashMap provides fast access to a mapping from a unique key to a value. Keys are unordered, which makes it faster than the TreeMap, where the keys...

I'm going to have to read up on the difference between a HashSet and a HashMap ... thanks!

Hi everyone,

I have a bit of a problem that I've been trying to figure out for a while now, so any new input would be helpful and greatly appreciated.

One of the things I'm working on is to...