Java Var args Method - Internal Details and access values from var args parameter (Part - 3)

In this tutorial we’re going to look at internal details of Var args Method in Java programming language in detail and how to access values from var args parameter with an example as well as explain the role of Ellipsis(…) three dots in it with simple average program.

You may ask why we need var args Method. Where it is useful?

Let me explain you first, Problem until Java 4.0.

1. We cannot declare a method with variable number of arguments.
2. If there is a change in a number of arguments then compulsory we should declare a new method, which increases the length of code and reduces readability.

So, to overcome this problem “SUN” people introduced var-args method concept in Java 5.0 or jdk1.5 version that are explained it with programs.

You must watch previous videos for problem understanding as well as for better understanding of Var args concept with solution.

In our next tutorial, we will learn more about Var args method -Syntax Loopholes for OCJP Exam point of view with Practical Approach as well as discuss some important cases.

#java #Varargs #OCJP #SCJP #VariableLength #Programming

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