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CodeSignal

Behavioral Design Patterns

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Overview

Behavioral design patterns emphasize communication between objects and the distribution of responsibilities. This course covers patterns like Observer, Strategy, and Command, helping you design systems with flexible interactions, improved maintainability, and better separation of concerns.

Syllabus

  • Unit 1: Command Pattern in TypeScript
    • Implementing the Command Pattern for a Fan Remote in TypeScript
    • Implementing Command Pattern for a Music Player in TypeScript
    • TV Remote Control with the Command Pattern in TypeScript
    • Implementing the Command Pattern for a Radio in TypeScript
    • Media Player Command Pattern Implementation in TypeScript
    • Implementing the Command Pattern with a Remote Control in TypeScript
  • Unit 2: Observer Pattern in TypeScript
    • Implementing the Observer Pattern for a Weather Station in TypeScript
    • Implementing a Concrete Observer in TypeScript
    • Blog Notification System with Observer Pattern in TypeScript
    • Weather Monitoring System with the Observer Pattern in TypeScript
  • Unit 3: Strategy Pattern in TypeScript
    • Add an Amazon Pay Strategy to the TypeScript Payment System
    • Implementing a TypeScript ShoppingCart with the Strategy Pattern
    • Implementing the Strategy Pattern for a Shopping Cart in TypeScript
    • Object Serialization with the Strategy Pattern in TypeScript
  • Unit 4: Behavioral Patterns in TypeScript
    • Implementing Command and Observer Patterns in a TypeScript Chat Application
    • Building a Chat Application with Command and Observer Patterns in TypeScript
    • Implementing Command, Observer, and Strategy Patterns for a Formatted Chat Application in TypeScript

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