public void putAll(Collection<V> c){
  ensureCapacity(m_data.length + c.size());
  for (  V e : c) {
    put(e.getOsmId(),e);
  }
}

public void putAll ( Collection < V > c ) { ensureCapacity ( m_data . length + c . size ( ) ) ; for ( V e : c ) { put ( e . getOsmId ( ) , e ) ; } }
add all elements from c
