#coderarmy

Articles tagged with #coderarmy

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 - 56 )
Template Design Pattern DefinitionTemplate design pattern design the skeleton of an algorithm, for an operation defining some steps to subclasses, Template method let subclasses redefine certain steps of an algorithm without changing the algorithm st...
Jun 11, 20253 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
Low Level Design ( Day - 32 )
Introduction to Low Level Design ( LLD ) While High-Level Design (HLD) outlines what the system should do, LLD specifies how it will do it, down to the level of individual classes and data flowsDefinetionLow-Level Design (LLD) is the detailed design ...
May 18, 20252 min read6