Identify the operation of the following function.public boolean add(E e) a)sort the collectionb)delete an element from the collectionc)insert an element in this collectiond)search the collectione)append an element to the collection

The function to remove an element from the collection is__________a)public int size()b)public boolean add(E e)c)public Iterator iterator()d)public void clear()e)public boolean remove(Object element)

Which of these methods deletes all the elements from invoking collection?Select one:a. clear()b. delete()c. reset()d. refresh()

Which function will combine two collections element by element wise?enumerateziproundNone of the above

A __________ is when the elements of one set are also elements of another collection.

Which of the following operations provides a sorted list of the documents in a collection?db.<collection_name>.arrange()db.<collection_name>.listSorted()db.<collection_name>.orderBy()db.<collection_name>.sort()