CodeDaily

DSA

Arrays & Strings Recursion Trees & Graphs Dynamic Programming Linked Lists View all →

Web Dev

Frontend Backend Full Stack DevOps APIs & REST View all →

AI & ML

Machine Learning Deep Learning Computer Vision NLP Data Science View all →

Blockchain

Smart Contracts DeFi Web3 Solidity NFTs & Tokens View all →

Level 1 · Easy

Patterns Linked Lists Stacks and Queues Binary Tree Graphs 2D Arrays Hashmap And Heap All Level 1 →

Level 2 · Medium

Arrays and Strings Dynamic Programming Trees Graphs Linked List Stacks Bit Manipulation All Level 2 →

Level 3 · Hard

Maths Segment Tree Game Theory Number Theory Geometry Digit DP Range Queries All Level 3 →

Python JavaScript Java C++ C TypeScript Go Rust Kotlin Swift Ruby C# Dart PHP Zig Perl Haskell Julia F# OCaml Pascal COBOL

All languages →

Contests

CodeDaily

Topics

DSA Web Dev AI & ML Blockchain Cybersecurity Cloud DevOps Mobile System Design

Questions

Level 1 · Easy

Patterns Linked Lists Stacks and Queues Binary Tree Graphs 2D Arrays Hashmap And Heap

Level 2 · Medium

Arrays and Strings Dynamic Programming Trees Graphs Linked List Stacks Bit Manipulation

Level 3 · Hard

Maths Segment Tree Game Theory Number Theory Geometry Digit DP Range Queries

Compiler

Python JavaScript TypeScript Java C++ C Go Rust Kotlin Swift Ruby C# Dart PHP Zig Perl Haskell Julia F# OCaml Pascal COBOL

All languages →

Contests

Learn Design Patterns Strategy

Strategy

article

8 min

Structural and Behavioral

Unlock this chapter

Access all lessons in Structural and Behavioral

Cost: 5 credits · One-time unlock

New users get 1,000 free credits

Design Patterns All →

Creational Patterns

Singleton Factory Method Builder

Structural and Behavioral

Adapter Observer Strategy Decorator

Observer

Decorator

CodeDaily

Your one-stop platform for learning Data Structures, Algorithms, and advanced programming concepts. Join our community of developers and enhance your coding skills.

Learn

DSA Web Dev AI & ML Blockchain Cybersecurity All Topics →

Practice

Level 1 · Easy Level 2 · Medium Level 3 · Hard Online Compiler All Problems

Company

About Pricing Contests Testimonials FAQ Contact