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MMaverickjyanshu.hashnode.dev6d ago · 7 min read

Mediator Pattern

The Mediator Pattern is a behavioral design pattern that centralizes communication between objects. Instead of objects talking to each other directly (which creates a tangled web of dependencies), the

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MMaverickjyanshu.hashnode.devJun 19 · 9 min read

Iterator Pattern

The Iterator Pattern is a behavioral design pattern that provides a way to access elements of a collection sequentially without exposing its underlying representation. It decouples the traversal logic

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MMaverickjyanshu.hashnode.devJun 19 · 12 min read

Interpreter Pattern

The Interpreter Pattern is a behavioral design pattern that defines a grammatical representation for a language and provides an interpreter to evaluate sentences in that language. It's particularly us

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MMaverickjyanshu.hashnode.devJun 19 · 10 min read

Command Pattern

The Command Pattern is a behavioral design pattern that encapsulates a request as an object. This lets you parameterize actions, queue or log requests, and support undo/redo operations. It turns "do t

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MMaverickjyanshu.hashnode.devJun 18 · 11 min read

Facade Design Pattern

The Facade Pattern is a structural design pattern that provides a simplified, unified interface to a complex subsystem. Think of it as the "front desk" of a hotel—instead of dealing with housekeeping,

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MMaverickjyanshu.hashnode.devJun 18 · 12 min read

Composite Design Pattern

The Composite Pattern is a structural design pattern that lets you compose objects into tree structures to represent part-whole hierarchies. It allows clients to treat individual objects and compositi

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MMaverickjyanshu.hashnode.devJun 18 · 7 min read

Flyweight Pattern

The Flyweight Pattern is a structural design pattern that minimizes memory usage by sharing common parts of objects instead of storing them separately. It separates intrinsic state (shared, immutable

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BMBaijnath Mahtolldwithbaijnath.hashnode.devDec 7, 2025 · 11 min read

SOLID Principles

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...

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BMBaijnath Mahtolldwithbaijnath.hashnode.devOct 26, 2025 · 7 min read

Day 7 : Polymorphism

🧠 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...

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BMBaijnath Mahtolldwithbaijnath.hashnode.devOct 26, 2025 · 3 min read

🧭 Low-Level Design (LLD) Roadmap

🎯 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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#low-level-system-design

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Trending tags this week

Mediator Pattern

Iterator Pattern

Interpreter Pattern

Command Pattern

Facade Design Pattern

Composite Design Pattern

Flyweight Pattern

SOLID Principles

Day 7 : Polymorphism

🧭 Low-Level Design (LLD) Roadmap