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Collections in Java

Collections in Java

Just like you can take a box and put multiple items in it and still call it one unit, the same way you can take individual objects, group them together and call them a collection. In Java, along with collections, a collection framework was introduced.

The Collection in Java is a framework that provides an architecture to store and manipulate the group of objects.

Java Collection framework provides many interfaces (Set, List, Queue, Deque) and classes (ArrayList, Vector, LinkedList, PriorityQueue, HashSet, LinkedHashSet, TreeSet).

Collection is one of the most important topics for Java programming.

Without the proper knowledge of every collection type in Java, it becomes difficult for you to decide which option to pick in a particular scenario.

This course will give you a great understanding of all collection types available in the Collections Framework like lists, linked lists, sets, and hashmaps.

After completing this course, you will know how data can be modified within a collection, how to sort a collection, and how it can be made thread-safe.

You will also cover the internal working of each Java collection so you can work with them more efficiently.
Collections in Java - Learn Interactively - Educative.io

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