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CodeSignal

Revisiting OOP Concepts

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Overview

Essential OOP concepts in TypeScript, including classes, objects, inheritance, polymorphism, and encapsulation, form the cornerstone of object-oriented design and programming. Mastering these concepts is crucial for understanding and effectively utilizing design patterns.

Syllabus

  • Unit 1: Classes and Objects
    • Adding a New Data Member to a TypeScript Class
    • Add a Constructor to the Book Class
  • Unit 2: Encapsulation in TypeScript
    • Encapsulating Class Properties with Getters and Setters in TypeScript
    • Enforcing Data Validation with Encapsulation in TypeScript
    • Encapsulating and Validating a Price Field in a TypeScript Class
    • Encapsulation Practice: Implementing Getters and Setters in TypeScript
    • Encapsulating Class Fields with Getters and Setters in TypeScript
  • Unit 3: Understanding TypeScript Inheritance
    • Enhancing the Student Class with Inheritance in TypeScript
    • Extending a Class and Adding Properties in TypeScript
    • Fixing Inheritance Bug: Displaying Student Major in TypeScript
    • Extending Classes with Inheritance in TypeScript
    • Implementing Inheritance with Vehicle and Car Classes in TypeScript
  • Unit 4: Polymorphism in TypeScript
    • Polymorphism with Method Overriding in TypeScript
    • Polymorphism with Method Overriding in TypeScript
    • Polymorphism with Device, Laptop, and Smartphone Classes in TypeScript
    • Polymorphism with Interfaces and Classes in TypeScript
  • Unit 5: Abstraction in TypeScript
    • Adding an Abstract Method and Implementing It in Derived Classes
    • Adding an Equilateral Triangle Class with Abstraction
    • Abstract Classes and Power Consumption in TypeScript
    • Fixing Abstract Method Implementation in TypeScript Classes
    • Implementing Abstraction with Appliances in TypeScript

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