Kotlin is a programming language that runs on the Java Virtual Machine (JVM) and can interoperate with Java code. It was created by JetBrains, a software company that makes tools for developers, in 2011, and released as an open-source project in 2012.
Kotlin is designed to be a modern and concise language, that offers many features and benefits over Java, such as:
- Null safety, which prevents null pointer exceptions and makes code more reliable.
- Extension functions, which allow adding new functionality to existing classes without inheritance or wrappers.
- Coroutines, which enable asynchronous and concurrent programming with less code and overhead.
- Data classes, which simplify the creation and manipulation of data objects.
- Smart casts, which eliminate the need for explicit type casting and make code more readable.
Kotlin aims to make developers happier and more productive, by reducing boilerplate code and enhancing readability and expressiveness.

Kotlin: A Popular and Versatile Language
Kotlin has gained a lot of popularity and support among developers, especially since Google announced it as the preferred language for Android app development in 2017. According to the Stack Overflow Developer Survey 2023, Kotlin is the fourth most loved language and the eighth most wanted language among developers.
Kotlin is also a versatile language, that can be used for various applications and platforms, such as:
- Android app development, where Kotlin provides better performance and compatibility than Java, and supports Android Jetpack and Kotlin Multiplatform Mobile.
- Web development, where Kotlin can be used to create backend services and web apps with frameworks like Ktor and Spring Boot, and compile to JavaScript for frontend development.
- Server-side development, where Kotlin can leverage its coroutines and frameworks like Vert.x and Micronaut to create fast, scalable, and reactive microservices and serverless functions.
- Data science and machine learning, where Kotlin can use its libraries like KotlinDL and Kotlin Statistics to perform data analysis and model creation.
Kotlin is a powerful choice for a wide range of development fields, as it offers modern features, interoperability, and multiplatform support.
Kotlin: The Future of Programming for Developers
Kotlin is not only a current trend, but also a future direction for programming. Kotlin is constantly evolving and improving, with new versions and features being released regularly. Some of the upcoming features and goals for Kotlin are:
- Kotlin 1.6, which is expected to be released in November 2023, and will include improvements to coroutines, serialization, and scripting.
- Kotlin 1.7, which is planned for 2024, and will introduce inline classes, unsigned integers, and JVM records.
- Kotlin 2.0, which is under development, and will bring major changes and enhancements to the language, such as a new type system, a new compiler, and a new standard library.
- Kotlin/Native, which is a technology that allows Kotlin to compile to native binaries, and target platforms like iOS, Linux, Windows, and Mac OS.
- Kotlin Multiplatform, which is a feature that allows sharing code and logic across different platforms, such as Android, iOS, web, desktop, and embedded systems.
Kotlin is shaping the future of programming for developers, by providing a modern, concise, and pragmatic language, that can adapt to the changing needs and trends of the software industry.