Method remove

lib/java/util/Set.java:141–141

Removes the specified object from this set. @param object the object to remove. @return true if this set was modified, false otherwise. @throws UnsupportedOperationException when removing from this set is not supported.

(Object object)

     *             when removing from this set is not supported.
     */
    public boolean remove(Object object);

    /**
     * Removes all objects in the specified collection from this set.