1. What is collection ?

Question

Accepted Answer

A collection is a framework that provides an architecture to store and manipulate a group of objects.

Collections are used to store, retrieve, manipulate, and communicate data between objects.
They provide various data structures like lists, sets, and maps.
Collections offer methods to add, remove, and search for elements in the collection.
Examples of collections in Java include ArrayList, HashSet, and HashMap.

Accepted Answer

Collection is a framework provided by java to store and implement the data structures. Mainly Collection provides map, set and list interfaces . And different classes like ArrayList , LinkedList , HashMap, TreeMap , HashSet , TreeSet etc implements these interfaces and implement their abstract methods like add() addAll() remove() , Next() , hasNext() etc . Basically these methods provides easy ways to store and manipulate data .

1. What is collection ?

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