Programming in Kotlin: Fundamentals

Aug 9 2022 · Kotlin 1.6, Android 12, IntelliJ IDEA CE 2022.1.3

Part 1: Use Data Types & Operations

03. Explore Kotlin Language Basics

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Previous episode: 02. Setup a Project in IntelliJ IDEA Next episode: 04. Use Booleans & Comparison Operators

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If you built the bullseye game in your first koltin android app course, then you’re already familiar with some kotlin syntax and concepts. This episode will serve a basic introduction to explore the kotlin language if you’re new to kotlin. And a refresher if you watched the first kotlin android app course.

var age: Int = 32

val name: String = "Ayo"

println(name)

val lastName = "Balogun"

val weight = 80.1

println("$name is a musician")

age += 1

println(age)
age += 1
println(age)

println("$name $lastName is $age years old, and weighs $weight kg")

val fullName = "$lastName, $name"

println(fullName)

val ageAsString = age.toString()
println(ageAsString)

val ageFromString = "35".toInt()
println(ageFromString)

val nameLength = fullName.length
println(nameLength)

// This is a line comment

/* This is a multiline comment.
   You don't have to add // before
   each line.
*/

/***/

/**
* This is a documentation-style comment.
* You can reference things here, like the [main] function.
* You can reference parameters, like the [arguments].
* String arguments passed through the run panel as [arguments].
* */

fun main(arguments: Array<String>) ...