Collections Framework in Java

         Collection framework in Java in introduced to provide the architecture to work with a group of objects. It provides all the commonly used operations used on collection of objects such as insertion, deletion, manipulation, searching and sorting.

Have a look on the hierarchy of Collections Framework

    Here brown boxes: Interface, Blue Box: Class

Let's learn about some of the most important and useful classes of Collection Framework:

•  ArrayList And LinkedList
•  PriorityQueue And ArrayDeque
•  HashSet, LinkedHashSet And TreeSet
•  HashMap And TreeMap

Continue Learning: ArrayList And LinkedList