String is a sequence of characters. In this guide, we will see how to declare, use and manipulate strings in Kotlin. Declare a String in Kotlin There are whole bunch of ways we can define a String in Kotlin. Lets have a look at the… Read More »Kotlin Basics – Kotlin String
[vc_row][vc_column][vc_column_text]There are certain words in Kotlin that have special meaning and cannot be used as identifiers(variable name, function name, class name etc). These words are called reserved words or keywords. In this guide, we will learn about keywords and identifiers.[/vc_column_text][vc_custom_heading text=”Types of Keywords in Kotlin “][vc_column_text]We… Read More »Kotlin Basics – Kotlin Keywords
[vc_row][vc_column][vc_column_text]Kotlin is a statically-typed programming language, developed by JetBrains. If you have basic knowledge of Java, you will be able to learn Kotlin in no time. This Kotlin tutorial is designed for beginners so you would be able to understand Kotlin programming even if you have no knowledge… Read More »Kotlin Tutorial for Beginners | Learn Kotlin
Kotlin has powerful type inference. While you can explicitly declare the type of a variable, you’ll usually let the compiler do the work by inferring it. Kotlin does not enforce immutability, though it is recommended. In essence use val over var. var a: String = “initial” println(a) val… Read More »Variables
Varargs allow you to pass any number of arguments by separating them with commas. The vararg modifier turns a parameter into a vararg. This allows calling printAll with any number of string arguments. Thanks to named parameters, you can even add another parameter of the… Read More »Functions with vararg Parameters
Certain functions can be “upgraded” to operators, allowing their calls with the corresponding operator symbol. This takes the infix function from above one step further using the operator modifier. The operator symbol for times() is * so that you can call the function using 2… Read More »Operator Functions
Member functions and extensions with a single parameter can be turned into infix functions. Defines an infix extension function on Int. Calls the infix function. Creates a Pair by calling the infix function to from the standard library. Here’s your own implementation of to creatively… Read More »Infix Functions
A simple function that takes a parameter of type String and returns Unit (i.e., no return value). A function that takes a second optional parameter with default value Info. The return type is omitted, meaning that it’s actually Unit. A function that returns an integer. A… Read More »Default Parameter Values and Named Arguments
fun main() { println(“Hello, World!”) } An entry point to a Kotlin application is the main function. In Kotlin 1.3, you can declare main without any parameters. The return type is not specified, which means that the function returns nothing. println writes a line to… Read More »Hello World