Asked by: Olivio Nickisch
asked in category: General Last Updated: 19th January, 2020

Which of these are interfaces in the collection framework?

Java Collection framework provides many interfaces (Set, List, Queue, Deque) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, TreeSet).

Methods of Collection interface.
No. Method Description
3 public boolean remove(Object element) It is used to delete an element from the collection.

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Accordingly, which of the following interfaces is at the top of Collection Framework hierarchy?

The hierarchy of the entire collection framework consists of four core interface such as Collection, List, Set, Map, and two specialized interfaces named SortedSet and SortedMap for sorting. All the interfaces and classes for the collection framework are located in java. util package.

Also Know, what are the important interfaces in the collection hierarchy? Basic Features of Main Interfaces of Collections Hierarchy They include the interfaces Collection, Set, List, Queue and Map on which all the data structures are built. Collection is the root interface for all the hierarchy (except Map). Set interface unique feature is that it does not accept duplicate elements.

Besides, how many interfaces are in a collection?


What is collection frame?

The Java collections framework is a set of classes and interfaces that implement commonly reusable collection data structures. Although referred to as a framework, it works in a manner of a library. The collections framework provides both interfaces that define various collections and classes that implement them.

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