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I was asked to create a function which returns an iterator, how am I suppose to do this?
explain about what's the program:
I'm creating a program representing an "association table", I'm implementing this with a treeMap.
The last function I need to create is a function called "keyIterator" which returns an iterator which iterate over the map's keys.
How am I suppose to do this?
I implemented it with for-each loop which prints the keys and their values but it doesn't return any iterator...
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