What are the advantages of Kotlin?

Some of the key advantages of kotlin is, easy & efficient coding, interoperable with java, easy maintenance, highly reliable, simple-concise-easy to learn, lesser error occurrences.

Is kotlin really better than Java?

If you compare the advantanges of using Java and Kotlin, You find that Kotlin is much better than Java on topics such as security, syntax, compatibility and functional programming.

Why is kotlin so popular?

Due to Google's Influence, Fastest-growing langauges after swift, easy to adopt kotlin from java, and many more are reasons for popularation of kotlin.