/*
* Removes an occurrence of the specified object from this {@code TreeSet}.
*
* @param object
* the object to remove.
* @return {@code true} if this {@code TreeSet} was modified, {@code false}
* otherwise.
* @throws ClassCastException
* when the object cannot be compared with the elements in this
* {@code TreeSet}.
* @throws NullPointerException
* when the object is null and the comparator cannot handle
* null.
*/
public override bool remove(Object obj)
{
return(backingMap.remove(obj) != null);
}