Moreover, the official Google support played a major role in drawing the focus of the Android developer community towards Kotlin language.Ĭonsequently, with the backing of big guns in technology, mobile developers are gradually embracing Kotlin warmly. It has become a popular language just within a few years of its introduction. This has been already a few years, since Kotlin emerged as the most viable alternative to Java, for programmers to build Android apps.įrom Google search to the noise in the tech community, everywhere Kotlin seems to gain a lot of attention. Yes, iOS apps are also equally important, as it is the second most popular mobile platform worldwide.īut, take note that android is the driving force behind over two thirds of the smartphones in use globally. Secondary constructor works, like in Java, without any difference.With people desiring native experience with mobile applications, Android app development with Kotlin is in hot demand in 2023. In Java, when we need to check variable for null, we usually write block. It’s time to tell you how null-safety in Kotlin works.
Kotlin also allows you to declare immutable objects with keyword ‘val’. Var implicitName = "Kotlin" // In that case we declare a variable implicitly var explicitName : String = "Kotlin" // Here we declare the type Let’s see how the declaration of variables looks. Starting to develop an Android application on Kotlin is not very difficult. Many of these features have appeared only in the latest versions of Java but were implemented by Kotlin creators. They provided a solution of so-called ‘one billion problem’: null by default. Kotlin creators wanted to invent null-safety language that could be more flexible and friendlier than Java. These guys dreamed about removing those restrictions which are imposed on developers in Java 6: no streams, no lambda functions, no try-with-resources and etc. Why Kotlin was created and by whomĬreating of language began in 2010 at JetBrains by two talented programmers – Andrew Breslav and Dmitry Zhemerov. Let’s look at the history of that language, sort out the pros and cons of the language, as well as a look at an example and how you can start using Kotlin for Android development. It is a modern, statically-typed language aimed at trying to make the code simpler and clearer for everyone and bring long-awaited Java features to Android developers. Some people seriously considered it as a full-fledged replacement of Java in Android development. Kotlin programming language now on everyone’s lips.
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