Constructs a new, empty set; the backing <tt>HashMap</tt> instance has
the specified initial capacity and the specified load factor.
@param initialCapacity the initial capacity of the hash map
@param loadFactor the load factor of the hash map
@throws IllegalArgumentException if the initial capacity is less
than zero, or if the load factor is nonpositive
Constructs a new, empty set; the backing <tt>HashMap</tt> instance has the specified initial capacity and the specified load factor.
@param initialCapacity the initial capacity of the hash map @param loadFactor the load factor of the hash map @throws IllegalArgumentException if the initial capacity is less than zero, or if the load factor is nonpositive