Java Encapsulation: Controlling Data Access

Grinding Java OOP. Inheritance What I did: * Learned and practiced different types of inheritance * Built simple class hierarchies like Vehicle and Animal * Understood method overriding and runtime behavior * Explored where inheritance makes sense and where it doesn’t Key insight: Inheritance only works when the relationship is logical. Wrong use leads to bad design. More learning ahead. GitHub: https://lnkd.in/gqivqRH4 #Java #OOP #Inheritance #BackendDevelopment #gfg

 💻Built a simple Food Ordering System in Java to practice core OOP concepts. Concepts used: • Encapsulation • Inheritance • Polymorphism • Abstraction • Interface #Java #OOP #Coding #LearningJourney

Grinding Java fundamentals with OOP's. Recursion What I did: * Learned how recursion actually works (function calling itself with a base case) * Practiced core problems like factorial, Fibonacci, and power calculation * Understood different types of recursion (direct, indirect, tail, head, tree) * Analyzed how recursion uses the call stack internally * Identified when recursion is useful and when it becomes inefficient Key insight: Recursion is not magic. If you don’t clearly define the base case and progression, your code will either crash or give wrong results. More learning ahead. GitHub: https://lnkd.in/gS-e6igR #Java #OOP #Recursion #BackendDevelopment #gfg

🧬 Java OOP – Polymorphism & Abstraction Last Two days-> I continued exploring important OOP concepts in Java. ✔️ Polymorphism – Method overloading & method overriding ✔️ Abstraction – Using abstract classes and methods to hide implementation details Also practiced a few DSA problems like: • Finding second largest element • Identifying duplicate elements • Moving zeros to the end of an array • Checking if an array is sorted These concepts are fundamental for writing clean, scalable code and are widely used in backend development. Step by step building a strong foundation. 🚀 #Java #OOP #DSA #BackendDevelopment #LearningInPublic #DeveloperJourney

Continuing my journey in Java, I’ve recently explored some key object-oriented concepts that play a major role in building flexible and extensible applications. Here are the topics I covered: Polymorphism and how it enables one interface with multiple implementations (compile-time and runtime) Method Overriding and the use of toString() for meaningful object representation Abstract Classes and how they help in achieving abstraction by defining a blueprint for derived classes These concepts provided deeper insight into how Java supports dynamic behavior, clean design, and code reusability. Gradually strengthening my understanding of core OOP principles and their practical applications. #Java #OOP #Programming #LearningJourney #SoftwareDevelopment #CDAC

🚀 **4 Pillars of Java OOP Every Developer Must Know** Object-Oriented Programming is the backbone of Java. The 4 main pillars are: 🔹 **Encapsulation** Wrapping data and methods together. 🔹 **Inheritance** Allows one class to acquire properties of another. 🔹 **Polymorphism** Same method behaving differently. 🔹 **Abstraction** Hiding internal implementation and showing only functionality. Example: java class Animal { void sound(){ System.out.println("Animal sound"); } } Understanding these concepts helps build **scalable and maintainable applications.** 💬 Which OOP concept do you use the most in real projects? #Java #OOP #SoftwareDevelopment #Programming #BackendDevelopment #Coding #JavaDeveloper #LearnToCode

Day 10/100 – Java Practice Challenge 🚀 Continuing my #100DaysOfCode journey with another important Java concept. 🔹 Topic Covered: Polymorphism Polymorphism means “many forms” — the same method behaves differently depending on the object. 💻 Practice Code: 🔸 Example Program class Animal { void sound() { System.out.println("Animal makes sound"); } } class Dog extends Animal { @Override void sound() { System.out.println("Dog barks"); } } public class Main { public static void main(String[] args) { Animal a = new Dog(); // Upcasting a.sound(); // Runtime polymorphism } } 📌 Key Learnings: ✔️ Same method → different behavior ✔️ Achieved using method overriding ✔️ Based on object type (runtime) 🎯 Focus: Understanding dynamic behavior using inheritance and method overriding 🔥 Interview Insight: Polymorphism is a core OOP concept and widely used in real-world applications. #Java #100DaysOfCode #Polymorphism #OOP #JavaDeveloper #Programming #LearningInPublic

🧬 Java OOP – Inheritance Basics Yesterday I learned about Inheritance in Java and how it helps in reusing code. ✔️ Using extends to create parent-child relationships ✔️ Accessing properties and methods from the parent class ✔️ Reducing code duplication through reuse Simple idea: A child class can inherit behavior from a parent class and extend it further. This concept is widely used in building clean and scalable backend systems. Strengthening OOP fundamentals step by step. #Java #OOP #Inheritance #BackendDevelopment #LearningInPublic #DeveloperJourney

Java is called an object-oriented language… but that’s not entirely true. Here’s the Truth 👇 🔹 Not everything in Java is an object Primitive types like int, char, double exist outside OOP 🔹 Static breaks pure OOP Static methods and variables belong to the class, not objects 🔹 You can write Java without creating a single object (main method is static for a reason) So no, Java is not 100% object-oriented. #Java #Programming #OOP #SoftwareDevelopment #Coding

🔹 Explored Inheritance in Java 🔹 Practiced programs on: ✔ Single Inheritance ✔ Multilevel Inheritance ✔ Hierarchical Inheritance ✔ Multiple Inheritance (using interfaces) ✔ Hybrid Inheritance Hands-on coding helped me strengthen my OOP concepts 💻 #Java #OOP #Inheritance #CodingPractice #Learning