Summary  
This chapter covers using conditional statements to control code execution by evaluating expressions with `if` and `when` and running specific code blocks when those conditions hold true.

General domain of usage  
Input validation

A beginner-friendly video course designed to introduce you to the Kotlin programming language. Learn the essentials of Kotlin, from setting up your first project to understanding variables, data types, functions, control flow, and classes. Each chapter is structured as a video script with clear explanations, practical code examples, and quizzes to reinforce your learning.

Learn what Kotlin is, why it's popular, and how to write your first Kotlin program.

Explore how to declare variables, understand data types, and use type inference in Kotlin.

Learn how to define and use functions, and control the flow of your Kotlin programs with conditionals and loops.

Introduction to object-oriented programming in Kotlin: defining and using classes.

Conditional Statements: if and when

Conditional Statements: if and when