Java Tutorial #63 - Java HashSet Class with Examples (Set Data Structure)

Java Tutorial #63 - Java HashSet Class with Examples (Set Data Structure)
In this video by Programming for Beginners we will learn Java HashSet Class with Examples, using Java Tutorial videos.

The HashSet class of the Java Collections framework provides the functionalities of the hash table data structure.
It implements the Set interface.

Methods:
- Insert Elements to HashSet - add()
- Access HashSet Elements - iterator
- Remove Elements

Set Operations:
- Union of Sets - addAll()
- Intersection of Sets - retainAll()
- Difference of Sets - removeAll()

==========

We can learn Java Programming language to make web applications or mobile applications for android phones and several other applications for windows, Mac OS and Unix operating systems. Also we can make android applications using Java programming. The concepts covered will be related to basic java and core java that will help you in your next interview questions. You can use any version of Java but all concepts will be same for all java versions. I will be using Java SE 8.
Java is a high-level programming language. Java runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
Java is a MUST for students and working professionals to become a great Software Engineer specially when they are working in Software Development Domain.

Java Tutorial for Beginners Playlist:

Java JDK:
Eclipse IDE:

YouTube Gears:

#JavaTutorial #JavaForBeginners #Programming #Java

============================
LIKE | SHARE | COMMENT | SUBSCRIBE

Thanks for watching :)

[info]

Why do we require removeAll() method, as it will not return any duplicates even though we are not using this method and just use an iterator?