OOP 1 | Introduction & Concepts – Classes, Objects, Constructors, Keywords

The first video of the complete object oriented programming (#OOP) course in Java. Covering an introduction, important concepts about classes, objects, constructors, memory management, keywords, wrapper classes, and more.

Complete OOP playlist: https://www.youtube.com/playlist?list=PL9gnSGHSqcno1G3XjUbwzXHL8_EttOuKk

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👉 Resources
– Join Replit: http://join.replit.com/kunal-kushwaha
– Complete Java DSA playlist: https://www.youtube.com/playlist?list=PL9gnSGHSqcnr_DxHsP7AW9ftq0AtAyYqJ
– Code, Assignments, & Notes: https://github.com/kunal-kushwaha/DSA-Bootcamp-Java

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Timestamps:
0:00:00 Teaser
0:00:30 Introduction
0:01:53 Notes
0:03:08 OOP Introduction
0:07:45 Java Classes
0:10:35 Example of a Class
0:15:47 Java Objects
0:17:05 Class vs Object
0:18:18 Properties of Object
0:20:29 Objects Introduction
0:23:55 How to access instance variables?
0:27:35 How to create objects?
0:34:09 Dynamic Memory Allocation
0:38:24 How to manipulate objects?
0:42:20 Java Constructors
0:49:53 By Default Constructor
0:53:26 Creating Constructors
0:56:20 “this” keyword
1:09:04 Constructor Overloading
1:15:18 Calling a constructor from another constructor
1:18:31 Why we don’t use “new” keyword for creating primitive data types?
1:20:35 Memory Allocation of “new” keyword
1:23:36 Wrapper Classes
1:28:07 “final” keyword
1:34:36 Garbage Collection
1:41:07 Outro

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