In this post on Kotlin’s data classes, we’ll take a look at how data classes are better than regular Java POJO (Plain Old Java Object) classes, and how they make our everyday lives easier. We’ll also take a look at some of the caveats of data classes. I’ve also written an a...
Kotlin does not have a new keyword. To create a class instance, call the constructor just like a regular function. We saw that in the screenshot above. Kotlin has single inheritance from a named superclass, and all Kotlin classes have a default superclass Any, which is not the same as ...
Kotlin Features Let me summarize why it’s the right time to jump from native Java to Kotlin Java. Concise: Drastically reduce the amount of boilerplate code you need to write. Safe: Avoid entire classes of errors such as null pointer exceptions. Versatile: Build server-side applications, And...
Testing pure Java/Kotlin classes. Validating business logic independently. Performing quick tests without dependencies on Android APIs. 2. Instrumented Unit Tests Instrumented tests run on an actual Android device or emulator, allowing interaction with Android framework components. These tests are slower ...
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 is a newly created programming language which is inspired by Java but is an improved version of it with many additional features.
Construct a new RegistrationUtil file in Kotlin with an object type. Since this is a singleton, there is no need to construct an instance of it in other classes. isvalidRegistrationInput is a function that requires three arguments: username, password, and confirm password. This function can b...
In version 2024.3, IntelliJ IDEA’s data flow engine handles aliasing cases more accurately, leading to fewer false positives in inspections and a more reliable coding experience. This enhancement applies to both Kotlin and Java, allowing for improved analysis in scenarios where references may point ...
Android framework: This is a set of APIs (Application Programming Interfaces) that provide the core functionality for Android apps. It includes classes like view management, touch handling, and event handling. Kotlin: Kotlin is a modern, statically-typed programming language that is interoperable with...
In@ConfigurationPropertiesclasses,@ConstructorBindingshould be deleted because it is no longer required at the type level. It may still be used on a constructor to specify which one should be used for property binding when a class or record has several constructors. ...