title: HashSet load factor
body: <p>If I use a <code>HashSet</code> with a initial capacity of 10 and a load factor of 0.5
  then every 5 elements added the <code>HashSet</code> will be increased or first the <code>HashSet</code>
  is increased of 10 elements and after at 15 at 20 atc. the capacity will be increased?</p>