@Test public void testEmpty() { assertEquals(0, set.size()); assertTrue(set.isEmpty()); }
@Override public int size() { return map.size(); }
MySetHashMap implements MySet<E> { @Override public int size() { return map.size(); } }
MySetHashMap implements MySet<E> { @Override public int size() { return map.size(); }  }
MySetHashMap implements MySet<E> { @Override public int size() { return map.size(); }  @Override void add(E element); @Override void remove(E element); @Override boolean isPresent(E element); @Override int size(); }
MySetHashMap implements MySet<E> { @Override public int size() { return map.size(); }  @Override void add(E element); @Override void remove(E element); @Override boolean isPresent(E element); @Override int size();  }