Java Abstraction in OOP

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

Day 7: Polymorphism After inheritance and method overriding, the next important idea is polymorphism. Polymorphism means one reference can take many forms. In Java, a parent type can hold a child object, and when a method is called, the behavior depends on the actual object behind it. That is what makes OOP more flexible and powerful. The same method call can behave differently in different classes. #Java #OOP #Programming #SoftwareEngineering #ComputerScience #koofkee

🚀 New Java OOP Videos Released! – Runtime Polymorphism Series Continuing our Java OOP Programming journey, here are the latest sessions 👇 📌 New Sessions: • Session 62 – Runtime Polymorphism Introduction • Session 63 – Reference Type vs Object Type • Session 64 – Dynamic Method Dispatch 🎯 Focus: Deep understanding of runtime behavior, method overriding & real execution flow 🔗 Playlist: https://shorturl.at/VEtae 💡 Learning by Doing with Praveen Kandhan 👍 Thanks for your continuous support 🙌 #Java #OOP #Polymorphism #RuntimePolymorphism #Programming

Sum of the Array in Java | Easy Logic + Coding 💡 Strong fundamentals are the key to mastering programming. This example shows how to find the sum of array elements using simple logic: • Start with an array of numbers • Initialize a sum variable to 0 • Traverse the array using a loop • Add each element to the sum • Print the final result Practicing these basic problems helps build strong logical thinking and coding confidence. 📊 Example Input : [1, 2, 3, 4] Output : 10 🎥 I’ve also created a short video explaining this concept with code: YouTube link : https://lnkd.in/g9SJ3hvJ #Java #Programming #ProblemSolving #Coding #SoftwareDevelopment #Learning #CSE #Developers #LogicBuilding #Arrays

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

🚗 Understanding Association in Java (OOP Concept) Today I practiced and explored the concept of Association in Object-Oriented Programming using Java. 👉 What is Association? Association represents a relationship between two classes where one object uses or interacts with another object. It shows how objects are connected in real-world scenarios. 💡 Example Explained: A Driver drives a Car Here, both are separate classes The Driver class has a reference to the Car class This creates an association between them 🧩 Key Points: ✔️ Both objects are independent ✔️ Association represents a "uses-a" relationship ✔️ It improves code reusability and design 🖥️ Output: Rahul drives BMW This simple example helped me better understand how real-world relationships can be implemented in Java using OOP concepts. #Java #OOP #Programming #Learning #SoftwareDevelopment

Day 1: Classes vs Objects vs Instances Everything in OOP starts here. A class is like a blueprint. It defines what something is. An object is the real thing created from that blueprint. An instance is simply an object created from that class. Simple idea, but this is where everything begins. #Java #OOP #Programming #SoftwareEngineering #ComputerScience #koofkee

Day 5: Inheritance As programs grow, many classes start sharing similar properties or behavior. That is where inheritance becomes useful. Inheritance allows one class to take the properties and behavior of another class. In Java, we use `extends` to create that relationship. This helps reduce repetition and makes code easier to organize when classes are related. #Java #OOP #Programming #SoftwareEngineering #ComputerScience #koofkee

🚀 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

Understanding Inheritance in Java (Simple Example) Today I practiced a basic concept of Object-Oriented Programming (OOP) — Inheritance. 🔹 Created a base class Vehicle with a method start() 🔹 Extended it into a child class Car with a method drive() 🔹 Accessed both methods using a single object 💡 This shows how a child class can reuse properties and behavior of a parent class — making code more efficient and reusable. 📌 Output: vehicle starts car is driving #Java #OOP #Inheritance #Programming #CodingJourney #Learning #Developers