In this tutorial, we will see how to take 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 using readLine() function to read the string entere
Kotlin takeif is one of the default functions that can be used to filtering the data for a single object. it will return null if the specified condition is not satisfied so that it can be named as the safe call or null check it is called like ‘T’ or other predefined objects itself ...
The kotlin groupby is one of the default function and it is used to perform the lambda operations and it returns the collection interface. The function groupby() is performed the key-value operations if we return the character as the array type it will return the group of characters. if sup...
Build an API to Make an Outbound Call in Spring Boot Follow the steps below and learn how to build an API in Spring Boot with Kotlin to make an outgoing phone call with Twilio Programmable Voice. If you are eager to take a look at the full codebase or want to use it as a reference...
This section will go through examples of the Kotlinbykeyword to delegate properties for each use case. Use thebyKeyword With Lazy Properties in Kotlin In Kotlin, thelazy()function takes a lambda as an input and returns an instance of Lazyproperties. ...
When a user types anything in the chatbot channel, Space sends the user input to the application. So, our next step is to specify the URL of our application endpoint and choose how we will verify requests from Space. Open the Endpoint tab. In the Endpoint URI, specify the public URL gen...
Kotlin Program – example.kt </> Copy import java.io.File /** * Created by www.tutorialkart.com * Example program to read contents of a file in Kotlin into BufferedReader */ fun main(args: Array<String>) { val file = File("input"+File.separator+"contents.txt") val bufferedReader...
Validating user input is a fundamental aspect of programming, especially in languages like C++, where manual memory management and direct access to system resources are common. In C++, ensuring that user input meets certain criteria is essential for program correctness, security, and usability....
In addition, Kotlin’s specific nomenclature makes it possible for us to create our own “language”, and create meaningful blocks of code that do what we need. And if you want to learn how to use Kotlin to develop your own Android Apps, I recommend you take a look atmy free training...
Kotlin is a programming language that prioritizes legibility in a way that Java does not. Google even recommends Kotlin over Java for developing Android apps. We'll build a simple API with a Postgres database and deploy it to Heroku to see it live. In this post, we'll take a quick ...