data class Book (var isbn: String) : Resource() Copy() function It is possible to create a clone of a data class in kotlin. When using copy, a shallow copy of the object is created. 1 2 3 4 5 data class Dog(var
There is less repetition in instantiating variables in Kotlin than there is in Java. In the example above, the phraseStringdoes not need to be repeated in the Kotlin code. Thenewoperatoralso isn't used because Kotlin automatically infers thedata type. Semicolons are optional when coding new l...
A unit refers to the smallest testable part of an application, such as a method, function, or class. The purpose of unit testing is to isolate each unit of code and test it in isolation to ensure that it behaves as expected. The main objectives of unit testing are: Validation: Aims to...
In Kotlin, you can declare a property or variable as'lateinit'(short for “late initialization”) when you want to initialize a non-null value before you try to access it. This is particularly useful when working with dependency injection or when you’re certain that the variable will have ...
In Kotlin, the type system distinguishes between references that can hold null (nullable references) and those that cannot (non-null references). For example, a regular variable of type String can’t hold null. How to migrate effectively to Kotlin? Migration is one of the last things that ev...
This is where Mockoon comes in as a superhero. 🦸 ✅ You can create custom responses without depending on the actual API being working. ✅ Allows you try different scenarios, such as correct answers, errors or empty data. ✅ Works on offline way, so you don't need internet to simu...
The major advantage of Kotlin is you can use it for any kind of development - be it server-side, client-side web, and Android. You also can use it for mobile and server-side applications, client-side with JavaScript or JavaFX, and data science, etc. On the operation systems front, you...
KOTLIN_METADATA file open in File Viewer Plus Kotlin is aprogramming languagedeveloped by JetBrains. It is the primary programming language that developers use to create Android applications, inIDEssuch asGoogle Android Studio. When a developer packages a Kotlin-based app into an APK file, it is...
Kotlin Coroutines 1. Overview In this tutorial, we’re going to understand the warning “inappropriate blocking method call”. We’ll learn why the IDE gives us that warning by first writing an inappropriate call and then what steps we can take to make an appropriate call. ...
Ensure that Kotlin should be selected as the programming language. Step 2: Add dependency to the build.gradle file and click “sync now” Step 3: Working with the RegistrationUtil.kt file Construct a new RegistrationUtil file in Kotlin with an object type. Since this is a singleton,...