Java Collection Framework Full Course | List, Queue & Set Interface In Java | Intellipaat

This video on "Java Collection Framework Full Course" will cover all the theoretical and implementation details about collection framework in java. At the beginning, you will understand the collection framework hierarchy and why it is introduced? Understand both theoretical and implementation details about List, Queue & Set Interface In Java Collections. By the end of this session, you will be able to build different data structures using java collections and perform basic operations on them. So, let's get started with this session!

Following topics are covered in this session are:
00:00:00 - Introduction
00:01:30 - What Is Collection In Java?00:02:42 - Why Java Collection Framework Was Introduced?
00:04:15 - Collection Framework Hierarchy
00:16:22 - List Interface In Java
00:46:28 - Queue Interface In Java
01:04:29 - Set Interface In Java

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✅What Is Collection In Java?
A Java collection is a container that can hold multiple items in a single storage unit. The items contained in these containers' can all have multiple values. There is no need that all items should be of a single data type. Furthermore these collections are dynamic in nature. Which means they don’t have fixed size, if you feel that you want to add a few more elements during the run time or even execution time for that matter, you can do so with collections. Which is not the case with finite or static data structures.

The collection framework which came along with JDK 1.2 release evolved the definition of collections providing proper architecture to develop data structures in Java and to perform multiple operations on them such as searching, sorting, insertion, deletion, or any sort of manipulation. Furthermore, all these mentioned operations are built-in functionalities of collections. Unlike regular data structures, you are not required to worry about writing code for each custom operation; you'll just have to invoke a method from the collection and it will do your task.

✅Why Java Collection Framework Was Developed?
Prior to the JDK 1.2 release, or a collection framework release, standard methods for grouping java objects were Arrays or Vectors or HashTables. And since there was no common interface to all these collections, they were defined independently. Which means, for the same operations programmers had to remember different methods for all the three collections, their syntaxes and constructors too. This was quite tedious and ineffective for community programmers. So JAVA developers decided to find a solution to this problem, and that solution is the collection architecture or framework. Under the influence of one interface all the different collections became more unified making data structure programming in Java more effective, efficient and reliable.

✅Three Main Interfaces In Java Collections?
1. List Interface
2. Queue Interface
3. Set Interface

Watch the video tutorial to learn both theoretical and implementation details about these interfaces.

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