Introduction To Kotlin - Part One

This article is an introduction to Kotlin. This is a series of articles explains Kotlin programming one topic at a time.

What is Kotlin?

 
Kotlin is a general purpose, statically typed, and open-source programming language. It runs on JVM and can be used anywhere. It can be used to develop Android apps.
 

History of Kotlin

 
Kotlin was developed by the JetBrains team. A project was started in 2010 to develop the language and officially, first released in February 2016. Kotlin was developed under the Apache 2.0 License.
 

Why Kotlin?

  • Concise
  • Safe
  • Interoperable
  • Tool Friendly 

    Introduction To Kotlin

Java VS Kotlin

 
Java
 
Java is one of the most liked programming languages for developers. The Java programming language is more than two decades old. Many specialists believe that Java is one of the most effective programming languages. Java is the most widely used programming language too.
 
Pros of Java
  • Simple
  • Object-Oriented
  • Platform Independent
  • Distributed
  • Secure
  • Allocation
  • Multi-threading
Cons of Java
  • Performance
  • Look and Feel
  • Single Paradigm Language
  • Memory

What Java has that Kotlin does not?

  • Checked Exceptions
  • Primitive types
  • Static Types
  • Non-private Fields
  • Wildcard Types
  • Ternary Operator
 
Introduction To Kotlin
 
Kotlin
  •  Kotlin is a statically-typed programming language that targets the JVM, Android, JavaScript, and Native.
  •  Kotlin supports all major Java IDEs including IntelliJ Idea, Android Studio, Eclipse, NetBrains.
 
Pros of Kotlin
  • Back-end Development
  • Concise
  • Clear and Efficient
  • Maintainability
  • Compatibility
Cons Of Kotlin
  • Compilation Time
  • Experienced Kotlin Developers Very Rare
  • Official Support is not great as java
  • Extra Run Time

What does Kotlin have that Java does not?

  • Lambda Function
  • Extension Function
  • Null Safety
  • Smart Casts
  • Singletons
  • Range Expressions
  • Data Classes

    Introduction To Kotlin

Conclusion

 
Kotlin is quickly proving itself to be a superior programming language for mobile app development. This article was an introduction to Kotlin programming language. In the second part, we will learn about Variables, Data Types, Operators, Comments, Loop Expressions, Returns, and Jumps.
 
Next in this series: Kotlin Variables and Data Types