How do you do a for in Kotlin?
Kotlin for loop is equivalent to the foreach loop in languages like C#.
Read moreWhat does ?: Mean in Kotlin?
length ?: -1. If the expression to the left of ?: is not null , the Elvis operator returns it, otherwise it returns the expression to the right . Note that the expression on the right-hand side is evaluated only if the left-hand side is null .
Read moreHow do I start my Kotlin code?
In the Welcome to Android Studio dialog, click Start a new Android Studio project.
Read moreWhat is () -> unit in Kotlin?
The Unit type in Kotlin is the equivalent to the void type in Java . Or, if you prefer, is the result value of any statement (for example println() ).
Read moreWhat Is syntax for Kotlin?
This function is used to execute code. Any code inside the main() function’s curly brackets {} will be executed . For example, the println() function is inside the main() function, meaning that this will be executed. The println() function is used to output/print text, and in our example it will output “Hello World”.
Read moreHow do you write Kotlin code?
Before you write the program, make sure your computer can run Kotlin.
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