Kotlin is a new language that targets the Java platform; its programs run on the JVM (Java Virtual Machine), which puts it in the company of languages like Groovy, Scala, Jython, and Clojure, to name a few.

Kotlin is from JetBrains, the creators of IntelliJ, PyCharm, WebStorm, ReSharper, and other great development tools. In 2011, JetBrains unveiled Kotlin; the following year, they open-sourced Kotlin under the Apache 2 license. At Google I/O 2017, Google announced first-class support for Kotlin on the Android platform. Below are some interesting reasons why you should learn Kotlin;

1. Like Java, it’s object-oriented. So, all those long hours you’ve invested in Java’s OOP and design pattern won’t go to waste. Kotlin classes, interfaces, and generics look and behave quite a lot like those of Java.

2. Statically and strongly typed. Another area that Kotlin shares with Java is the type system. It also uses static and strong typing. However, unlike in Java, you don’t have to always declare the type of the variable before you use it. Kotlin uses type inference.

3. Less ceremonious than Java. We don’t (always) have to write a class; top-level functions are OK. We don’t need to explicitly write getters and setters for data objects; there are language features in Kotlin, which allows us to do away with such boiler-plate codes.

4. It’s a functional language. Functions are not just a named collection of statements; you can use them anywhere you might use a variable.

5. Interoperability with Java. Kotlin can use Java libraries, and you can use it from Java programs as well. This lowers the barrier to entry in Kotlin; the interoperability with Java makes the decision to start a new project using Kotlin a less daunting enterprise.

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