Java Tutorial


OOPS concept


Collection

Java - Collections

Collection is a group of objects represented as a single unit. It is a framework in java that provides a way to store and manipulate group of objects.

All collection framework consists of:

  • Interfaces
  • Implementations i.e. classes
  • Algorithms

Collection Interfaces

S.No.Interfaces
1. Collection Interface
2. Iterator Interface
3. Set Interface
4. List Interface
5. Queue Interface
6. Dequeue Interface
7. ListIterator Interface
8. Map Interface
9. SortedSet Interface
10. SortedMap Interface

Collection Classes

S.No.Classes
1. HashSet Class
2. TreeSet Class
3. ArrayList Class
4. LinkedList Class
5. HashMap Class
6. TreeMap Class
7. Priority Class

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