Applying Abstraction in Object-Oriented Programming with Java

Day 10: Bringing OOP Together Over the last 10 days, this series focused on one goal: making Object-Oriented Programming in Java feel simpler, clearer, and more connected. From classes and objects to encapsulation, inheritance, overriding, polymorphism, abstraction, and interfaces, each concept was building toward something practical. Today, that journey comes together in one small modular Java project. This screen-recorded walkthrough shows how those concepts connect in code, step by step. GitHub Repo: https://lnkd.in/dJbr6gK6 10 days completed. Now the real building begins. #Java #OOP #Programming #SoftwareEngineering #ComputerScience #koofkee

Abstraction is one of the core principles of OOP that focuses on hiding implementation details and showing only essential features of an object. In simple terms, abstraction allows you to focus on what an object does instead of how it does it. Why is Abstraction important? Reduces complexity in code Improves readability and maintainability Enhances security by hiding sensitive details Promotes reusability and flexibility How is it implemented in Java? Using abstract classes (partial abstraction) Using interfaces (full abstraction) Example: When you use a mobile phone, you simply make calls or send messages without knowing the internal circuitry. That’s abstraction in action! Mastering abstraction helps developers design scalable and efficient systems. #Java #OOP #Programming #SoftwareDevelopment #CodingConcepts

🚀 #Day11 of #111DaysOfLearningForChange Continuing my learning consistency challenge with Code for Change. Today, I continued with Object-Oriented Programming (OOP) in Java, focusing on how objects are created and managed. Topics covered: • Encapsulation • Constructors • Types of Constructors: – Parameterized Constructor – Non-Parameterized Constructor – Copy Constructor • Destructors While practicing, I focused on how data can be kept safe inside a class and how objects are created and initialized properly. This session gave me a clearer understanding of how real-world programs are structured using OOP concepts. Consistently learning and improving every day. #CodeForChange #111DaysOfLearningForChange #Day11 #OOP #Consistency #DSAwithJava

Today I practiced a simple yet important concept of Object-Oriented Programming — Method Overriding. 🔹 Created a parent class (Shape) with a draw() method 🔹 Overrode the same method in child classes Circle and Rectangle 🔹 Demonstrated runtime polymorphism using a parent class reference 💡 This example clearly shows how Java decides which method to call at runtime based on the object type. 📌 Output: Drawing a Circle Drawing a Rectangle ✨ Concepts Covered: ✔ Inheritance ✔ Method Overriding ✔ Runtime Polymorphism #Java #OOP #Programming #Coding #MethodOverriding #Polymorphism #LearningJourney #SoftwareDevelopment #JavaDeveloper

🚀 New Java OOP Videos Released! – Advanced Runtime Concepts Excited to share the next set of sessions in our Java OOP Programming journey 👇 📌 New Sessions: • Session 65 – Complete Execution Flow • Session 66 – Upcasting Deep Dive • Session 67 – Downcasting Concept 🎯 Focus: Clear understanding of execution flow, upcasting & downcasting with real-time examples 🔗 Playlist: https://shorturl.at/VEtae 💡 Learning by Doing with Praveen Kandhan 👍 Thanks for your continuous support 🙌 #Java #OOP #Polymorphism #Programming #LearningByDoing #Coding

🚀 Still confused about OOP? Let’s make it simple. Every powerful application you use today is built on these 4 pillars: 🔹 Encapsulation – Keep your data safe 🔹 Inheritance – Reuse code smartly 🔹 Polymorphism – One action, many forms 🔹 Abstraction – Show only what matters And it all starts with Classes & Objects — the backbone of programming. 💡 Master these concepts, and you don’t just write code… you build systems. #Programming #OOP #Java #CodingJourney #SoftwareDevelopment #TechLearning #CodeAlpha

Object-Oriented Programming is a core part of software development. The problem is not the concept itself. It’s how it’s usually introduced. Too much abstraction too early. Not enough clarity. So we’re doing it differently. Starting April 17, we’re running a 10-day series to break down OOP in Java step by step. Simple explanations. Practical examples. Nothing heavy. Just concepts that actually make sense. Day 1 drops tomorrow. Follow along. #Java #OOP #Programming #SoftwareEngineering #ComputerScience #koofkee

Recursion vs Iteration — a common question in programming. Both approaches can solve the same problem, but they come with different trade-offs. In this short video, I covered: - Recursion (clean and elegant, but uses stack memory) - Iteration (faster and memory efficient) - Fibonacci example comparison - When to use each approach Understanding this difference helps you write efficient, optimized, and scalable code. Explore structured DSA in Java roadmap + practice: www.quipoin.com #DSA #Java #Programming #Coding #SoftwareEngineering #Recursion #InterviewPreparation

🚀 Day 16/45 – Understanding Abstraction in Java On Day 16 of my Java learning journey, I explored Abstraction, one of the core principles of Object-Oriented Programming. Abstraction focuses on hiding implementation details and showing only the essential functionality to the user. 📚 What I Learned Today Today I learned: ✔ What abstraction is and why it is important ✔ How to use abstract classes in Java ✔ Understanding abstract methods (methods without body) ✔ How abstraction works with inheritance 💻 Practice Work To apply my learning, I implemented: • An animal example using abstract class • A shape example demonstrating abstraction 🎯 Key Takeaway Abstraction helps simplify complex systems by hiding unnecessary details and focusing on what is important. It plays a key role in building clean and scalable applications. Step by step, I am gaining a deeper understanding of OOP concepts. #Java #Programming #LearningInPublic #CodingJourney #SoftwareDevelopment #OOP

Day 47 – Understanding Encapsulation in Java ☕ Today I revised the concept of Encapsulation and its importance in object-oriented programming. Topics covered: 🔹 What is encapsulation and why it is important 🔹 Providing security with the help of private variables 🔹 Role of getters and setters 🔹 Understanding the shadowing problem 🔹 How to overcome shadowing using the this keyword Learning how encapsulation helps in data hiding and secure access to variables gave me better clarity on writing maintainable and structured code. Strengthening my core OOP concepts step by step 🚀 #Day47 #JavaJourney #OOP #Encapsulation #CoreJava #Consistency