Printing Output

The main Function

Function Declaration

Basic Data Types

Optional Semicolons

What Kotlin Is

Null Safety Basics

Parameters and Return Types

String Templates

Type Inference

val vs var

Kotlin and Java Interop

Basic Loops

Comments in Kotlin

if as an Expression

when Expression Basics

C-style for loop

Statements on one line

if as an expression

String template property

Comment syntax

Single-expression function

val vs var

Char literals

Explicit type mismatch

The fun keyword

Type inference

Return type mismatch

Console output typo

when as an expression

Inclusive vs exclusive ranges

Unit return type

The main entry point

Assigning null

Optional Semicolons

Basic Data Types

Type Inference

Java Interoperability

Arithmetic and Comparison Operators

Comments in Kotlin

String Templates

Everything Is an Object

The main() Function

val vs var

Kotlin Compilation Targets

What Kotlin Is

Concise, Expressive Syntax

Reading Input with readLine()

Explicit Type Annotations

println vs print