Software development

Your Complete Guide to the Kotlin Programming Language

They can write front-end code in the same language that they used for back-end code, and it’ll be compiled to JavaScript to run in the browser. Before learning Kotlin Tutorial, you must have the basic knowledge of any programming language. Kotlin tutorial provides basic and advanced concepts of Kotlin programming language. Our Kotlin tutorial is designed for beginners and professionals both. There are some that will say Kotlin isn’t yet an essential programming language and therefore it’s not important to learn it now.

what is kotlin language

Kotlin ships with a very small runtime and it’s the aim to keep it that way. If you have a library that you think others might find useful, let us know. If you want to contribute to any of the existing ones, check them out. Another important characteristic of a programming language is the data type.

What’s the history of Kotlin?

Kotlin allows you to cut off the lines of code by approximately 40% . Our Kotlin tutorial will guide you to learn Kotlin one step at a time. Kotlin is used to develop Android apps, server side apps, and much more. It has become very popular since it is compatible with Java , which means that Java code can be used in Kotlin programs. Data Scientists have always used Java to crunch numbers, detect trends, and make predictions — so it only makes sense that Kotlin would find a home in data science as well.

what is kotlin language

However, he cited the slow compilation time of Scala as a deficiency. One of the stated goals of Kotlin is to compile as quickly as Java. In February 2012, JetBrains open sourced the project under the Apache 2 license. Kotlin, on the how to hire a kotlin developer other hand, offers inherent null safety, meaning that no variable or object can be assigned with a null value. As a result, developers need to write less code as there is no need to come up with solutions to sidestep the issue.

Kotlin OOPs

In addition, with Kotlin you can share business logic between all platforms while retaining the ability to create native UI. An academic degree and/or publications in fields related to programming language design and implementation. This Kotlin tutorial helps you prepare for technical interviews and certification exams.

To override a superclass method, the method itself must be marked open, and the subclass method must be marked override. This is all of a piece with Kotlin’s philosophy of making things explicit rather than relying on defaults. Kotlin offers big advantages over Java for JVM and Android development, and plays nicely with Java in the same projects. Kotlin has tooling support from Android with tools optimized for Android development, including Android Studio, Android KTX and Android SDK. Today, at the Google I/O keynote, the Android team announced first-class support for Kotlin. As in C, C++, C#, Java, and Go, the entry point to a Kotlin program is a function named “main”, which may be passed an array containing any command-line arguments.

Kotlin for Android

It is user-friendly, easy to use, and highly efficient which makes it automatically a good choice among developers. You can choose an expert Kotlin developer and use his/her expertise to get the best for your upcoming apps. Since the inauguration of Kotlin in 2011 by Jetbrain, it has made quite a name in the community of developers. Among all the statically typed and general-purpose languages, Kotlin stands on a higher ground comparing most programming languages to learn in this era of computer science. Currently, Kotlin mainly targets the Java Virtual Machine , but also compiles to JavaScript.

  • Kotlin is a general-purpose programming language, meaning it can be applied in a variety of spheres.
  • Kotlin finally entered the public eye in 2017 after Google announced its support.
  • After that, you can start picking some pending tasks on the issue tracker.
  • The content is divided into various chapters that contain related topics with simple and useful examples.
  • Kotlin has several important features, but we’ve listed some of the most important ones below.
  • Yes, it’s possible to write Android applications in Scala, but few developers bother.

For developers, perhaps the most obvious benefit of using Kotlin is the fact that they need to write way less code in comparison to Java. It’s generally estimated that using Kotlin reduces the amount of code by around 40%, which makes it less prone to possible mistakes and easier to maintain. It’s a more comfortable language to work with, which is why it’s gained its popularity in the first place. In addition, some existing parts of the compiler and the language require specification, such as the new data-flow analysis or more detailed type inference rules. This requires taking a deep dive into the current internals of the language and compiler.

Kotlin Programming Language

Since 2012, Kotlin has been an open source programming language and it is continuously improved. Developers can enjoy great support from the Kotlin community, which is definitely a plus. Two years earlier, the company announced their first-class support for Kotlin, which overthrew Java as the favorite android development language – off its throne. The most important thing in Kotlin vs Java performance is that Kotlin is a functional programming language. Basically, Kotlin consists of many useful methods, which include higher-order functions, lambda expressions, operator overloading, lazy evaluation and much more.

what is kotlin language

Java is mostly used for Android and web-based apps, financial and retail services, and science and research. Kotlin has classes with constructors, along with nested, inner, and anonymous inner classes, and it has interfaces like Java 8. To create a class instance, call the constructor just like a regular function. When Kotlin was announced as an official Android development language at Google I/O in May 2017, it became the third language fully supported for Android, in addition to Java and C++. As of 2020, Kotlin is still most widely used on Android, with Google estimating that 70% of the top 1000 apps on the Play Store are written in Kotlin.

What Is Kotlin and Why Use It In Programming?

As well as mobile and server-side applications, Kotlin is also being used for data science. Kotlin is a perfect alternative because they can use all the standard Java libraries from previous projects but write their code in Kotlin. If you are looking to build a software development career, you can check the Post-Graduate Program in Full Stack Development by Simplilearn. It can be the ideal solution to help you build your career in the right direction.

what is kotlin language



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