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Java Classes in Depth – Complete Guide with Definitions, Syntax & Examples Java Classes in Depth – Complete Guide with Definitions, Syntax & Examples Explore various types of Java Classes with clear explanations, real-world examples, and easy-to-follow syntax. 📚 Related Java Class Topics 1. Concrete Class in Java – Definition 2. Anonymous Class in Java – Definition 3. Inner Class in Java – Definition & Syntax 4. Singleton Class in Java – Definition 5. Static Nested Class in Java – Definition 6. POJO Class in Java – Definition & Syntax 7. Final Class in Java – Definition & Syntax 8. Abstract Class in Java – Definition, Syntax & Example Learn Java Free – Complete 14-Chapter Course © 2025 Java Learning Hub | Designed by OP Verma

Chapter 8: Inheritance, Polymorphism & Abstraction in Java Chapter 8: Inheritance, Polymorphism & Abstraction in Java Introduction to Object-Oriented Programming Principles Java is a pure object-oriented programming language, meaning it is based on the principles of modeling real-world entities as objects. Among the four core pillars of OOP—Encapsulation, Inheritance, Polymorphism, and Abstraction—this chapter dives deep into three essential concepts: Inheritance Polymorphism Abstraction 1. Inheritance in Java What is Inheritance? Inheritance is the process where one class (child/subclass) acquires the properties and behaviors (methods and variables) of another class (parent/superclass). class Animal { void eat() { System.out.println("This animal eats food."); } } class Dog extends Animal { void bark() { System.out.println("Dog barks."); ...