HashMap Iteration

// ArrayList
public static void dumpList(ArrayList al)
{
   Iterator itr = al.iterator();
    while (itr.hasNext()) {
      String element = itr.next();
      System.out.print(element + " ");
    }
}

//Hash Set
public static void Set(HashSet hs)
{
   Iterator itr = hs.iterator();
    while (itr.hasNext()) {
      String element = itr.next();
      System.out.print(element + " ");
    }
}


// HashMap
public static void dumpMap(Map mp) {
  Iterator it = mp.entrySet().iterator();
  while (it.hasNext()) {
      Map.Entry pairs = (Map.Entry)it.next();
      System.out.println(pairs.getKey() + " = " + pairs.getValue());
  }
}