Swapping Inside a Method in Java Using Wrapper Object.

Published: 25 February 2026
on channel: Tech Maurya Support (Er Anish)

about video :-In this video, we explain why Java uses call by value and how you can swap values inside a method using a Wrapper Object.

You’ll learn:
✔️ Why normal swapping fails in Java
✔️ What "call by value" really means
✔️ How Wrapper Classes work
✔️ How to create a custom wrapper object
✔️ Step-by-step Java example with explanation

This tutorial is perfect for:

Java beginners

Interview preparation

Students learning OOP concepts

Anyone struggling with parameter passing in Java

💻 Example concepts covered:

Call by Value in Java

Wrapper Classes

Object References

Swapping logic inside methods

Watch till the end to fully understand how Java handles method arguments!

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videos link :- / @techmauryasupportanish1998

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