Module 4 of 5 in Learn the Kotlin Language

Use Kotlin Classes

May 22 2024, Kotlin 1.9.24, Android 14, Kotlin Playground
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This module covers leveraging the powers of classes in Kotlin. It illustrates how to create classes, add properties and methods, and then how to instance them in code. It does not cover general object-oriented programming principles as that is handled in another course. By Alex Chmyr.

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EXPERIENCE
Beginner level
EST TIME TO COMPLETE
2 hrs, 1 min
CONTENT
6 lessons
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Module outcomes

  • Define classes
  • Create properties
  • Override methods
  • Use Inheritance
  • Instantiate objects
  • Interfaces

Covered concepts

  • Classes
  • Memory Management
  • Properties
  • Getters / Setters
  • Constructors
  • Initialization Blocks
  • Inheritance
  • Polymorphism
  • Overriding
  • Interfaces

Module content

1
Define Classes Lesson (20 mins)

In this lesson, you will learn what is the meaning of class, how it works behind the scenes, and how to create an instance of one.

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 14 mins
Demo Video · 5 mins
Conclusion Reading · 1 min
Quiz: Define Classes 6 questions
2
Use Properties Lesson (28 mins)

In this lesson you will learn how to add meaning to the class by creating and manipulating properties.

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 21 mins
Demo Video · 4 mins
Conclusion Reading · 1 min
Quiz: Use Properties 6 questions
3
Construct Class Instances Lesson (15 mins)

In this lesson you will learn many ways of creating class instances with a predefined set of values.

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 10 mins
Demo Video · 3 mins
Conclusion Reading · 1 min
Quiz: Construct Class Instances 6 questions
4
Leverage Inheritance Lesson (17 mins)

In this lesson you will learn more class concepts: inheritance and polymorphism

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 12 mins
Demo Video · 3 mins
Conclusion Reading · 1 min
Quiz: Leverage Inheritance 4 questions
5
Override Methods Lesson (22 mins)

In this lesson you will learn how to fine-tune the behavior of a class by extending it.

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 17 mins
Demo Video · 3 mins
Conclusion Reading · 1 min
Quiz: Override Methods 6 questions
6
Implement Interfaces Lesson (19 mins)

In this lesson you will learn the concept of interface.

 Start
Introduction • Start Reading · 1 min
Instruction Reading · 14 mins
Demo Video · 3 mins
Conclusion Reading · 1 min
Quiz: Implement Interfaces 6 questions

Next module

Android & Kotlin
Advanced Kotlin Class Features May 22 2024 · Multimodal Module (1 hr, 28 mins)
This module provides an overview of the advanced class features available in Kotlin. Advanced features cov... more

Instructors

Alex Chmyr

Contributors

Alex Chmyr

Author

Ananya Arora

Tech Editor

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Editor

Adriana Kutenko

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