Introduction to Kotlin

Kotlin is a high-level programming language runs on JVM. Kotlin compiles the sources code into java byte code and runs the application using jvm. You can use java and kotlin interchangeably, means you can call a kotlin function from Java and vice versa.

Prerequisites

Java fundamentals are necessary. If you are new to Java, I would suggest you to go through java tutorial for beginners.

Is Kotlin Object oriented?

Yes, Kotlin is object oriented language, you can create classes, objects, and apply oops concepts like polymorphism, inheritance etc.,

Is kotlin functional?

Yes, Kotlin is a functional language. In functional programming lngauge, functions are basic building blocks, you can return a function, pass a function as argument to other function etc.,

I would recommend you to go through my post, to know more about functional programming.

Is Kotlin open source?

Yes

What kind of application Can I develop using Kotlin?

a.   Build Mobile Applications

b.   Develop server side applications

c.   You can develop any application, that can be developed in Java

Can I run kotlin code in web browser?

Kotlin can be compiled to JavaScript, so you can run the applications in browser.

Is Kotlin statically typed?

Yes kotlin is statically typed language. For statically typed languages, type of the variable is known at compile time. You can refer my post statically vs dynamically typed languages to know the difference between statically and dynamically typed languages.

Can kotlin infer type?

Yes, unlike Java, you no need to specify the type while defining the variable. Kotlin infer the type based on the context.

Ex

var name = "Krishna"

Since "Krishna" is assigned to the variable ‘name’, koltin infer the type as String.

var age = 28

Since number 28 is assigned to the variable ‘age’, kotlin infer the type as int.

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