This method is used to retain all the elements present in the collection from the specified collection into the list.
Syntax:
boolean retainAll(Collection c)
Parameters: This method has only argument, collection of which elements are to be retained in the given list.
Returns: This method returns True if elements are retained and list changes.
Below programs show the implementation of this method.
Program 1:
Output:
[1, 3, 5, 7, 9]
[3, 5]
Program 2: Below is the code to show implementation of list.retainAll() using Linkedlist.
