java hashmap value and keys loop code example

Example 1: java loop hashmap

map.forEach((k, v) -> {
    System.out.format("key: %s, value: %d%n", k, v);
});

Example 2: loop hash map

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
    }
}