Method add

lib/java/util/Set.java:42–42

Adds the specified object to this set. The set is not modified if it already contains the object. @param object the object to add. @return true if this set is modified, false otherwise. @throws UnsupportedOperationException when adding to this set is not suppo

(E object)

     *             when the object cannot be added to this set.
     */
    public boolean add(E object);

    /**
     * Adds the objects in the specified collection which do not exist yet in