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Table of Contents Introduction to Encapsulation Benefits of Encapsulation How Encapsulation Works in Java Access Modifiers in Java Public Private Protected Default (Package-Private) Choosing the Right Access Modifier Encapsulation in Action: Code Examples Summary 1. Introduction...

Table of Contents Introduction to Abstraction Types of Abstraction in Java Abstract Classes Interfaces Abstract Classes: Deep Dive Syntax and Usage Abstract vs Concrete Methods Constructors and Abstract Classes Interfaces: Deep Dive Syntax and...

Table of Contents Introduction to Polymorphism Types of Polymorphism Compile-time Polymorphism (Method Overloading) Runtime Polymorphism (Method Overriding) Method Overriding Dynamic Binding Benefits of Polymorphism Polymorphism in Action: Examples Common Pitfalls and Best Practices Summary 1....

Table of Contents Introduction to Inheritance Types of Inheritance in Java The extends Keyword Why Use Inheritance? The super Keyword Accessing Parent Class Members Invoking Parent Class Constructor Method Overriding in Inheritance Inheritance...

Table of Contents Introduction What is a Constructor? Types of Constructors Default Constructor Parameterized Constructor Constructor Overloading Purpose of Constructors The this Keyword Referring to Instance Variables Calling Constructors Passing Current Object Returning Current Object Constructor vs...

Table of Contents Introduction to Classes and Objects Defining a Class Fields (Instance Variables) Methods in a Class Creating Objects Memory Allocation for Objects Accessing Members using Objects Multiple Objects of the...

Table of Contents Introduction to Object-Oriented Programming (OOP) Core Principles of OOP Classes and Objects Constructors The this Keyword Encapsulation Inheritance Polymorphism Abstraction Summary and Best Practices 1. Introduction to Object-Oriented Programming (OOP) Object-Oriented Programming (OOP)...

Table of Contents Introduction to Methods in Java Declaring and Calling Methods Method Parameters and Return Types Method Overloading Recursion in Java Advantages and Use Cases of Recursion Stack Memory and...

Table of Contents Introduction to Strings in Java The String Class String Declaration and Initialization String Immutability Common String Methods String Comparison String Concatenation and Performance StringBuilder vs StringBuffer Real-world Use Cases Summary and...

Table of Contents What Are Arrays? Advantages of Using Arrays Declaring and Initializing Arrays Accessing and Modifying Elements Iterating Through Arrays Multi-dimensional Arrays Common Array Operations Arrays vs ArrayList Real-world Examples Summary and What’s...

Table of Contents Introduction to Loops The for Loop The while Loop The do-while Loop Loop Control Statements: break and continue Infinite Loops Nested Loops Real-World Examples Summary and What’s Next 1. Introduction to...

Table of Contents Introduction to Control Flow The if Statement The else and else if Statements The switch Statement The Ternary (Conditional) Operator Nested if Statements Common Mistakes and Pitfalls Real-World Use...