🚀 Master C++ Constructors and Destructors | Complete Guide with Live Coding (Beginner to Advanced)
Are you confused about constructors and destructors in C++? Do you wonder why we even need constructors or how C++ initializes objects under the hood?
This 3-hour 02-minute detailed tutorial is your complete guide to understanding one of the most important concepts in Object-Oriented Programming in C++.
Whether you're a college student, beginner programmer, or preparing for coding interviews and placements, this video is made to take you from the foundations to the advanced internals — with live programming examples after every topic.
📌 What’s Covered in This Tutorial?
✅ Before Constructors
→ How object initialization was handled before constructors existed — multiple approaches.
✅ Why Constructors?
→ Understand the motivation behind constructors and how they improve class design.
✅ What Are Constructors?
→ Declaration, syntax, how they’re invoked internally, and why they’re needed.
✅ Types of Constructors
(a) Default Constructor
(b) Parameterized Constructor
(c) Move Constructor
(d) Private Constructor
→ What it is, when and why to use it (e.g., Singleton patterns or factory methods).
(e) Copy Constructor
→ Deep dive into default and user-defined copy constructors with examples.
(f) Move Constructor
→ Learn modern C++ memory optimization using move semantics.
✅ Constructor with Default Arguments
✅ Constructor Overloading
✅ Constructor Delegation
✅ Member Initializer List
✅ Constructor with Runtime Arguments
✅ Best Practices with Constructors
→ Important do’s and don’ts, pitfalls to avoid, and real-world relevance.
✅ Destructors in C++
→ What destructors are, how they’re used, and when they’re automatically called.
📌 Chapters:
00:00 - Introduction
01:50 Object Initialization (Before use of constructors) - Using setData() mem. func., uniform initialization and aggregate initialization, assigning value manually
11:08 Code for demonstrating Object initialization using setData() member function
13:16 Code for demonstrating Object initialization using copy or uniform initialization
13:54 Code for demonstrating Object initialization using aggregate initialization
14:48 Code for demonstrating Object initialization using member-wise assignment after object creation
15:31 What led to Constructors?
19:28 Constructors in C++
26:42 Code for demonstrating how to create and use constructors in a C++ program
27:57 Constructors (What happens internally)
41:16 Code for demonstrating various types of initializations in constructors
50:46 Default Constructor
58:55 Code for demonstrating how default constructors are used in C++
1:02:00 Parameterized Constructor
1:07:21 Code for demonstrating how parameterized constructors are used in C++
1:11:24 Constructors with array of objects
1:15:10 Code for demonstrating how constructors work with array of objects in C++
1:18:32 Constructors with default arguments
1:25:05 Code for demonstrating how constructors with default arguments work in C++
1:28:32 Constructor Overloading
1:33:04 Code for demonstrating how constructor overloading works in C++
1:35:05 Constructor Delegation (C++ 11 +)
1:39:48 Code for demonstrating how constructor delegation works in C++
1:40:56 Member initializer list
1:48:13 Code for demonstrating how Member initializer list is used in C++
1:50:28 Constructor with runtime arguments
1:55:01 Code for demonstrating how Constructor with runtime arguments work in C++
1:59:32 Private Constructor
2:07:32 Code for demonstrating use of Private Constructor (Named Ctor Idiom) in C++
2:11:09 Code for demonstrating use of Private Constructor (Friend Class) in C++
2:12:53 Copy Constructor (default and explicit)
2:25:30 Code for demonstrating use of Default Copy Constructor in C++
2:30:22 Code for demonstrating use of Explicit Copy Constructor (Deep Copy) in C++
2:35:14 Move Constructor (C++ 11 +)
2:40:27 Code for demonstrating concept of Move Constructor in C++
2:45:41 Constructor (Points to remember)
2:56:27 Destructor in C++
🧠 Who Should Watch?
✅ B.Tech/M.Tech Computer Science students
✅ JEE/GATE/UGC-NET aspirants
✅ Interview & placement preparation
✅ Anyone learning OOP in C++ from scratch or for revision
🔔 Don’t forget to:
👍 Like the video
✍️ Ask doubts
💬 Comment your thoughts and questions
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🎥 With Live programming examples in support
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