Dec 7, 2025 · 11 min read · SOLID principles are: S – Single Responsibility Principle (SRP) O – Open/Closed Principle (OCP) L – Liskov Substitution Principle (LSP) I – Interface Segregation Principle (ISP) D – Dependency Inversion Principle (DIP) 1 : Single Responsibilit...
Join discussionOct 26, 2025 · 7 min read · 🧠 What is Polymorphism? The word Polymorphism comes from Greek: Poly = many Morph = forms Polymorphism means: An object can take many forms. In Java and OOP, polymorphism allows a single interface or method to represent different underlying form...
Join discussionOct 26, 2025 · 3 min read · 🎯 Goal To be able to design scalable, maintainable, and extensible object-oriented systems, write clean code, and communicate design decisions clearly. 🪜 Stage 1: Foundations 1. Object-Oriented Programming (OOP) 🗓️ 7-Day OOP Mastery Plan Day 1 : C...
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Oct 26, 2025 · 6 min read · What is a Class ? A class is a blueprint, template, or definition for creating objects. It defines what properties (attributes/fields) and behaviors (methods/functions) its objects will have. Think of it like: A blueprint for a house — it doesn’t bu...
Join discussionMay 30, 2025 · 2 min read · Design Patterns ( Strategy Design ) Why Design PattersBecause Someone has already encountered the common problem and come up with the solution which is already proven and that can be reusable whenever that problem occurs to improve code quality and e...
Join discussionMay 29, 2025 · 2 min read · Google docs LLD Requirements1. Text2. Images3. Scalable → Videos, Tables, different Fonts, etc. Bad DesignThis will break the Single Responsibility principle because it handling everything in the same class.If we want to add another feature to this a...
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