The Collection in Java is a framework that provides an architecture to store and manipulate a group of objects.
Java Collections can achieve all the operations you perform on a data, such as searching, sorting, insertion, manipulation, and deletion.
Java Collection means a single unit of objects. The Java Collection framework provides many interfaces (Set, List, Queue, Deque) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, etc. TreeSet).
A Collection represents a single unit of objects, i.e., a group.
What is the Collection framework?
The Collection framework represents a unified architecture for storing and manipulating a group of objects. It has: – Interfaces and its implementations, i.e., classes – Algorithm