Question

Which of these are interfaces in the collection framework. select the two correct answers.


a. set


b. list


c. array


d. vector


e. linkedlist?

Answer 1

Hey mate here is your answer

OPTION B & D

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Answer 2

Option :

a. set

b. list

• these are interfaces in the collection framework
• The Java Collection Framework has numerous classes and interfaces (Set, List, Queue, and Deque) (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, TreeSet).
• The elements of a collection are a collection of objects. When maximum generality is desired, collections of objects are passed around via the Collection interface.
• Every general-purpose collection implementation, for instance, has a function Object() { [native code] } that accepts a Collection argument by convention.
• A list, which is a Java interface, describes an ordered group of things. A class called ArrayList specifies a list-based Java implementation of the List interface. The names of List variables are assigned to a fresh instance of the ArrayList class.

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