'Passing and Returning Objects in C++ | Pass by Value, Pointer, Reference Explained with Code'

In this video, we dive deep into one of the most essential topics in C++ Object-Oriented Programming: how to pass and return objects from functions. You'll learn the three key ways to pass objects—by value, by pointer, and by reference—along with their syntax, behavior, and real-world use-cases. We explain not just how these techniques work, but why and when to use them, making it easier for you to write efficient and bug-free code.

The video also covers the equally important concept of returning objects from functions. We explore how to return by value, pointer, and reference, and the impact each approach has on memory, performance, and program safety. Each concept is supported with live C++ code demonstrations, so you can immediately see the effect of each technique in action.

🔍 In this video, you’ll learn:

How to pass objects to functions in C++ using:

✅ Pass by Value
✅ Pass by Pointer
✅ Pass by Reference

How to return objects from functions using:

✅ Return by Value
✅ Return by Pointer
✅Return by Reference

When to use each method with real-life examples
Common interview questions related to object passing and returning
Important advantages, disadvantages, and performance considerations

📌 Chapters:
00:00 - Introduction
00:54 Passing objects to a function (various ways)
02:19 Passing objects by Value
08:09 Code for demonstrating how objects are passed by Value
10:13 Code for demonstrating how two Time objects are added using pass by value and return by value to a function
13:39 Passing object by pointer to a function
18:31 Passing object by pointer to a function - When used, Advantages, Limitations
22:39 Code for demonstrating how object is passed by pointer to a function
24:46 Passing object by reference to a function
27:36 Code for demonstrating how object is passed by reference to a function
29:08 Returning objects from a function
37:25 Returning objects by value from a function
40:42 Code for demonstrating how object is returned by value from a function
41:54 Returning objects by pointer from a function
49:07 Code for demonstrating how object is returned by pointer from a function
53:12 Returning objects by reference from a function
1:00:59 Code for demonstrating how object is returned by reference from a function

🧑‍💻 LIVE coding examples make each concept crystal clear!

🧠 Who Is This For?

B.Tech/M.Tech students (IITs, NITs, IIITs & others)

Beginners in C++ and OOPs

Coding interview and placement aspirants

Anyone looking to build deep understanding of function-object interaction in C++

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