Classes vs Objects vs Instances in OOP

Day 8: Abstraction As OOP grows, not every class needs to define every detail by itself. Sometimes we only want to describe the general idea and leave the exact behavior to the child classes. That is where abstraction comes in. In Java, an abstract class can define a common structure, while abstract methods allow child classes to provide the actual implementation. It helps us focus on what something should do without forcing every detail at the top level. #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

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

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

Check out this comprehensive breakdown of the new features in Java 26, including detailed examples for each JEP. Read the full guide here: https://lnkd.in/gs3Mz9Sa What features are you most excited about? Let's discuss in the comments! 👇 #Java #Java26 #SoftwareDevelopment #Programming #Coding #JavaTechOnline #BackendDevelopment #JDK26 #SoftwareArchitecture #TechnologyTrends

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

🚀 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 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

💫@𝐏𝐫𝐢𝐦𝐚𝐫𝐲 𝐯𝐬 @𝐐𝐮𝐚𝐥𝐢𝐟𝐢𝐞𝐫 𝐢𝐧 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭: When working with dependency injection in Spring Boot, handling multiple beans of the same type can get tricky. That’s where @Primary and @Qualifier come into play 👇 👉 @Primary Used to define a default bean. If multiple beans exist, Spring automatically picks the one marked as @Primary. 👉 @Qualifier Used to explicitly specify which bean you want. Gives you precise control over dependency injection. 💡 Key Insight: Use @Primary for default behavior and @Qualifier when you need specific control. Together, they make your code more flexible and maintainable. #SpringBoot #JavaDeveloper #BackendDevelopment #DependencyInjection #SpringFramework #Java #Coding #SoftwareDevelopment #TechLearning #Developers #Programming #100DaysOfCode #JavaBackend #SpringAnnotations 𝐓𝐡𝐚𝐧𝐤𝐬 𝐭𝐨 𝐦𝐲 𝐌𝐞𝐧𝐭𝐨𝐫: Anand Kumar Buddarapu Saketh Kallepu Uppugundla Sairam

A quick review of the most important new features in Java 11, 17, and 24? 🚀 I’ve prepared this cheat sheet with key features and practical examples. 💻 From Records to Stream Gatherers: which is your favorite? 👇 #Java #Programming #Developer #CheatSheet #Coding