Iterate through a HashMap

Question

What's the best way to iterate over the items in a HashMap?

Answer 1

Iterate over the entrySet() like so:

public static void printMap(Map mp) {

    Iterator it = mp.entrySet().iterator();

    while (it.hasNext()) {

        Map.Entry pair = (Map.Entry)it.next();

        System.out.println(pair.getKey() + " = " + pair.getValue());

        it.remove(); // avoids a ConcurrentModificationException

    }

}

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