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The one stop guide for Low-Level-Design Interviews
What is LLD how is it different from HLD? LLD, or Low-Level Design, focuses on detailed planning for individual components of a system, including algorithms and data structures. HLD, or High-Level Design, provides a broader overview of the system's ...
S.O.L.I.D principles are a set of five fundamental guidelines in software design that aim to enhance the quality, maintainability, and extensibility of code. These principles provide a structured framework to create robust and flexible software syste...
Creational Design Patterns are a set of design patterns that provide ways to create objects while abstracting the instantiation process. They include 5 patterns Builder, Factory/Factory Method/Abstract Factory, Prototype and Singleton, and help enha...
Understanding the Problem Ordinary code statements are perishable, for example you cannot undo a field/property assignment you cannot directly take a sequence of actions that you just made and you cannot serialise them (to a db for example) there...
An iterator is an object that facilitates the traversal of a data structure It keeps a ref to the current element Knows how to move to a different element Ex. Above are inbuilt C++ forward and reverse iterators. You can also get constant ite...
Problem Statement In the following blog post, we will discuss low Level Design architecture of an Inventory Management System used by Blinkit/Dunzo/Zepto for groceries delivery Let us start by identifying the objects and encapsulating their attribute...
