- Used to represent a group of individual objects where all objects are present prior to processing.
- Queue is the child interface of collection.
- Queue Interface and all its implementation classes came in java 1.5 into collections.
Implementation Classes for Queue :
- PriorityQueue
- BlockingQueue
- LinkedBlockingQueue
- PriorityBlockingQueue
Features of Queue :
- When we need to implement logic in first in first out (FIFO) methodology.