Kotlin and Java are interoperable

How can we prove that Java and Kotlin can co-exist and its interoperable? Kotlin is designed with Java Interoperability in mind. Existing Java code can be called from Kotlin in a natural way, and Kotlin code can be used from Java rather smoothly as well. In this section we describe some details about calling Java code from Kotlin.

Let me explain the working of the below program.
There is one Kotlin class which is passing two values to the Java class and then that is further sent to another Kotlin class. This Kotlin class will process the data and send back to previous Java class and then this Java class will send this to first Kotlin class. This way, we tried to showcase that how Java and Kotlin can work together seamlessly.

Vides also attached at the bottom.

Java Kotlin Hello World










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