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DATE: Nov. 22, 2014, 3:45 p.m.

FORMAT: Java

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Collection<Integer> key1 = accounts.keySet(); //accounts = A hashmap with integer,integer
		Iterator<Integer> iter = key1.iterator(); //Create the iterator
		while (iter.hasNext())//Check if there is more to go to
		{
			iter.next(); //This is the object you get from the iterator, it also advances the iterator by one
		}