#design-patterns

Articles tagged with #design-patterns

System Design ( Day - 60 )
Bridge Design Pattern DefinitionBridge decouples an abstraction from its implementations, so that both can very independently.1. Abstraction : High level layer ( eg: Car )2. Implementations : Low level layer ( eg: Engine ) 🎯 The Problem Without Brid...
Jun 15, 20252 min read6
System Design ( Day - 58 )
Chain of Responsibility Pattern DefinitionAllow an object to pass a request along a chain of potential handlers, each handler in the chain decided either to process the request or pass it to the next handler. 🏧 Real-World Example: ATM Cash Dispenser...
Jun 13, 20252 min read3
System Design ( Day - 57 )
Proxy Design Pattern DefinitionThe Proxy pattern provides a surrogate or placeholder for another object to control access to it. Types1. Virtual Proxy2. Protection Proxy3. Remote Proxy 📦 1. Virtual Proxy Use Case: Lazy-load a heavyweight resource ...
Jun 12, 20252 min read2
System Design ( Day - 52 )
Adapter Design Pattern DefinitionAdapter converts the interface of a class into another interface that client expects, adapter let’s classes work together that couldn’t otherwise because of incomplete interfaces. 📦 1. Real-World Example: XML → JSON ...
Jun 7, 20252 min read1
System Design ( Day - 51 )
Command Design Pattern DefinitionEncapsulate a request as an object, therby letting you parameterise clients with different request, queue or log request and support undoable operations. 🏡 Problem Statement We want to build a Remote Control System t...
Jun 6, 20252 min read4
System Design ( Day - 49 )
Decorator Design Pattern DefinitionDecorator Pattern attaches additional responsibilities to an object dynamically, Decorator provides flexible alternative to subclassing for extending functionality. Enhancing the functalalIties of the Objects by wra...
Jun 4, 20251 min read2