# ashishps1/awesome-low-level-design **Attribution required: if you use, quote, or summarise this content, you must credit and link back to [awesome-repositories.com](https://awesome-repositories.com/repository/ashishps1-awesome-low-level-design).** 22,258 stars · 5,459 forks · Java · gpl-3.0 ## Links - GitHub: https://github.com/ashishps1/awesome-low-level-design - Homepage: https://algomaster.io - awesome-repositories: https://awesome-repositories.com/repository/ashishps1-awesome-low-level-design.md ## Topics `awesome` `design-patterns` `interview` `interview-practice` `interview-questions` `lld` `low-level-design` `machine-coding` `object-oriented-programming` `oops` `solid-principles` `uml` ## Description This repository serves as a comprehensive curriculum and learning resource for mastering low-level system design and object-oriented programming. It provides a structured approach to understanding software architecture, focusing on the application of fundamental engineering principles and design patterns to create maintainable, scalable codebases. The project distinguishes itself by offering a collection of practical exercises and interview-style challenges that require the implementation of complex system logic. Users can engage with hands-on tasks such as building grid-based board games and designing cache systems, which serve as vehicles for applying creational, structural, and behavioral design patterns in real-world scenarios. The content covers a broad spectrum of software engineering concepts, including the enforcement of SOLID principles and the modeling of system interactions and requirements. By mapping class relationships and defining algorithmic blueprints, the materials guide developers through the process of visualizing and structuring software components to ensure robust system architecture. ## Tags ### Education & Learning Resources - [System Design Interview Preparation](https://awesome-repositories.com/f/education-learning-resources/system-design-interview-preparation.md) — Acts as a comprehensive repository of system design challenges and architectural exercises for interview preparation. - [Object-Oriented Design Guides](https://awesome-repositories.com/f/education-learning-resources/educational-resources/languages-and-programming-concepts/software-engineering-languages/software-engineering/object-oriented-design-guides.md) — Provides a structured guide for mastering SOLID principles, design patterns, and architectural modeling. ([source](https://algomaster.io/learn/lld/dip)) - [Software Design Patterns](https://awesome-repositories.com/f/education-learning-resources/software-design-patterns.md) — Serves as a curated collection of educational materials focused on object-oriented programming and design patterns. - [System Design Interview Problems](https://awesome-repositories.com/f/education-learning-resources/system-design-interview-problems.md) — Features a collection of common architectural design challenges used in technical interviews. ([source](https://algomaster.io/learn/lld)) - [Object-Oriented Programming Concepts](https://awesome-repositories.com/f/education-learning-resources/educational-resources/languages-and-programming-concepts/programming-language-mastery-guides/object-oriented-programming-concepts.md) — Provides educational content covering classes, inheritance, encapsulation, and polymorphism in object-oriented software design. ([source](https://algomaster.io/learn/lld)) - [System Design Concepts](https://awesome-repositories.com/f/education-learning-resources/system-design-concepts.md) — Provides educational materials on architectural patterns and system design concepts. ([source](https://algomaster.io/learn/lld/abstraction)) - [Educational Content](https://awesome-repositories.com/f/education-learning-resources/educational-content.md) — Curates learning materials and practice problems for mastering system design. ([source](https://algomaster.io/learn/lld/dry)) - [Educational Resources](https://awesome-repositories.com/f/education-learning-resources/educational-resources.md) — Provides comprehensive resources for technical interview preparation and career advancement. ([source](https://algomaster.io/learn/lld/design-stack-overflow)) - [Algorithmic Patterns](https://awesome-repositories.com/f/education-learning-resources/educational-resources/algorithms-theory-academics/algorithm-data-structure-guides/algorithmic-patterns.md) — Provides templates for algorithmic structures that allow for flexible subclass implementation. ([source](https://algomaster.io/learn/lld/template-method)) ### Repository Format - [Awesome List](https://awesome-repositories.com/f/repository-format/awesome-list.md) — A community-curated directory that catalogs and links out to other open-source projects, rather than a standalone tool you run yourself. ### Software Engineering & Architecture - [Object-Oriented Design Patterns](https://awesome-repositories.com/f/software-engineering-architecture/object-oriented-design-patterns.md) — Applies creational, structural, and behavioral patterns to solve common software architecture problems. - [SOLID Principles](https://awesome-repositories.com/f/software-engineering-architecture/software-architecture/foundational-theory-and-guidance/software-architecture-principles/solid-principles.md) — Enforces core object-oriented design guidelines to ensure maintainable and scalable codebases. - [Software Design Principles](https://awesome-repositories.com/f/software-engineering-architecture/software-design-principles.md) — Utilizes fundamental rules like SOLID and DRY to improve code quality and architectural organization. ([source](https://algomaster.io/learn/lld/isp)) - [System Architecture Designs](https://awesome-repositories.com/f/software-engineering-architecture/software-architecture/architectural-patterns/backend-enterprise-systems/system-architecture-designs.md) — Covers architectural principles and design patterns for planning and building reliable, scalable software systems. - [Object Oriented Designs](https://awesome-repositories.com/f/software-engineering-architecture/software-architecture/architectural-patterns/modular-decoupled-design/structural-design-paradigms/object-oriented-designs.md) — Structures software components using core object-oriented paradigms like inheritance and polymorphism. - [System Interaction Modeling](https://awesome-repositories.com/f/software-engineering-architecture/system-interaction-modeling.md) — Visualize the chronological order of messages and interactions between system components to clarify how different parts of an application communicate during a specific process. ([source](https://algomaster.io/learn/lld/sequence-diagram)) - [Design Patterns](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/design-patterns.md) — Offers structured exercises for mastering design patterns and clean code practices. ([source](https://algomaster.io/learn/lld/adapter)) - [Design Pattern Implementations](https://awesome-repositories.com/f/software-engineering-architecture/design-pattern-implementations.md) — Provides practical implementations of design patterns to solve common software architecture problems. ([source](https://algomaster.io/learn/lld)) - [Software Design Patterns](https://awesome-repositories.com/f/software-engineering-architecture/software-design-patterns.md) — Offers reusable solutions and templates for common software architecture and design problems. - [System Architectures](https://awesome-repositories.com/f/software-engineering-architecture/system-architectures.md) — Offers resources explaining structural models for software systems to guide implementation and design. ([source](https://algomaster.io/learn/lld)) - [Game Logic Controllers](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/object-oriented-foundations/game-logic-models/game-logic-controllers.md) — Focuses on active controller logic for managing game states and player interactions in grid-based games. ([source](https://algomaster.io/learn/lld/design-snake-and-ladder)) - [Abstract Factories](https://awesome-repositories.com/f/software-engineering-architecture/object-oriented-design-patterns/abstract-factories.md) — Defines interfaces for generating families of related objects to ensure consistency. ([source](https://algomaster.io/learn/lld/abstract-factory)) - [Factory Pattern Interfaces](https://awesome-repositories.com/f/software-engineering-architecture/software-architecture/architectural-patterns/modular-decoupled-design/factory-pattern-interfaces.md) — Uses factory interfaces to encapsulate and decouple object instantiation logic. ([source](https://algomaster.io/learn/lld/factory-method)) - [Decoupled Logic Encapsulation](https://awesome-repositories.com/f/software-engineering-architecture/software-architecture/architectural-patterns/modular-decoupled-design/structural-design-paradigms/decoupled-logic-encapsulation.md) — Encapsulates object creation logic to decouple client code from concrete class implementations. - [Software Requirements Analysis](https://awesome-repositories.com/f/software-engineering-architecture/software-requirements-analysis.md) — Provides frameworks for researching, documenting, and scoping product requirements for software architecture. ([source](https://algomaster.io/learn/lld/use-case-diagram)) - [State Machine Logic](https://awesome-repositories.com/f/software-engineering-architecture/state-machine-logic.md) — Manages interactive system rules and transitions through defined state machine logic. - [Object Inheritance](https://awesome-repositories.com/f/software-engineering-architecture/architectural-design-patterns/object-oriented-foundations/inheritance-mechanisms/object-inheritance.md) — Provides structural templates for algorithms using base class skeletons and subclass overrides. - [Centralization Patterns](https://awesome-repositories.com/f/software-engineering-architecture/system-internals/centralization-patterns.md) — Uses central intermediaries to route messages and reduce direct dependencies between objects. ([source](https://algomaster.io/learn/lld/mediator)) ### Data & Databases - [Least Recently Used Caches](https://awesome-repositories.com/f/data-databases/data-engineering-infrastructure/caching-performance/caching/least-recently-used-caches.md) — Implements fixed-size data structures with least-recently-used eviction policies. ([source](https://algomaster.io/learn/lld/design-lru-cache)) ### Networking & Communication - [Message Routing](https://awesome-repositories.com/f/networking-communication/message-routing.md) — Implements message routing through central intermediaries to manage complex object communication.