Filtering out not nulls from list
Solution
Usage of ?. for nullable values
Solution
Iterate and perform action only on non null values
Solution
Substituting values when its null
Solution
Throw specific exception on null value
Solution
Throw specific exception on null value
Solution
References:
https://blog.logrocket.com/complete-guide-null-safety-kotlin/
https://kotlinlang.org/docs/scope-functions.html