Kotlin – Nullability

All Java developers hate one simple thing about Java – NullPointerException. Worst nightmare caught on production during night-time. Having an instrument that allows to control null-types propagation through your codebase, would be beneficial for everyone. Would be even better if that could be done within compile-time.

Meet Kotlin nullability constraints.

Kotlin – Fundamentals

Why should I as a Java developer consider moving to Kotlin?

Beginning of a long journey to Kotlin world