public class ST<Key, Value>
{
  public void put(Key k, Value v) {...}
  public Value get(Key k) {...}
  public void delete(Key k) {...}
  public Iterable<Key> keys();
  public boolean contains(Key key) {...}
  public int size() {...}
  public boolean isEmpty() {...}
}

• put(k,v);

  Inserts the pair (k,v) if k not in the table. Otherwise replaces k's value with v.

• v = get(k);

  Returns the value associated with k if the pair (k,v) is in the table. Otherwise get returns null.

• delete(k)

  If (k,v) is in the table, that pair is removed. Otherwise, no change.

• p = keys();
  

  Returns a reference to some object that implements Iterable<Key> (The only method in Iterable<Key> is Iterator<Key> iterator().)

  So p.iterator() can be used to retrieve each of the keys in the symbol table, one at a time.

Question: How can you print all the key value pairs?