When we think of developing an application, Java is one of the programming languages that comes to mind for various reasons, including its robust and secure nature, and the independence of its platform. Most enterprise applications are built using Java, and this particular programming language has been around for more than 20 years.

Kotlin is designed to be interoperable with Java, meaning Kotlin can seamlessly co-exist with Java. We can add Kotlin to our existing applications and we can use Java-based frameworks for application development. With this bi-directional use of Kotlin, we can invoke Java constructs from Kotlin, or Kotlin constructs from Java.

Although Java and Kotlin are both JVM-based languages used for application development, there are several differences between them. Kotlin has addressed some of the limitations previously associated with Java.