In this tutorial, we will see how totake input from user in Kotlin. Example 1: Display String entered by user In this example, we will take the input from user and display it in the output. Here we are usingrea
At this moment, we have assigned a value to the input variable. Kotlin propertiesVariables created in a class are properties. The read-only variables have default accessors and mutable variables accessors and mutators. KotlinProperties.kt
Kotlin unit is one of the return types and it returns null as the value similar to void but Unit is used to return type of any function that does not return any values and it is the optional one so the values are mentioned as the Unit in the return type apart from void Unit is the...
In kotlin language, we used many default keywords, variables, and other built-in functions. Like that delegate is one of the concepts and the design pattern which helps to implement the application. With the help of “By” keyword we can achieve the delegation in the kotlin language. interfac...
Kotlin Read File - To read contents of file, use extension methods : Kotlin bufferedReader() - read file to BufferedReader; inputStream() - read file to InputStream; Kotlin forEachLine() - read file line by line; readBytes() - read file to ByteArray; Kot
Internedjava.lang.Stringobjects are also stored in the permanent generation. Thejava.lang.Stringclass maintains a pool of strings. When the intern method is invoked, the method checks the pool to see if an equivalent string is present. If so, it’s returned by the intern method; if not, ...
Thefill()function will initialize the array in Kotlin with the given value. However, this requires declaring variables to hold the values for size and items to later initialize the array. Output: We need to convert the range to a list with thetoList()function and add the individual values ...
Use thedelay()Function in Kotlin Besides the Kotlinsleep()function, we can also use thedelay()function to suspend the execution of a coroutine. Thedelay()function also accepts milliseconds as input. Thedelay()function is a suspending function provided by Kotlin’scoroutinelibrary. It allows you...
Let's try to understand the methods by which we were able to read input in Kotlin. Behind the scenes, Kotlin.io uses java.io for the input-output. So println is basically System.out.println, but with additional power by Kotlin to use String templates and inline functions, which makes wri...
First, we create anObjectMapperinstance endowed with Kotlin module support: val mapper = jacksonObjectMapper() LetjsonStringbe theStringvariable holding the content we want to deserialize. We can parse a JSON object directly to a genericMap<String, Any?>in this way: ...