What is the difference between a safe call (?.) and a null check (!!) in Kotlin?
?.
!!
The safe call (?.) and null check (!!) are not valid Kotlin operators.
The safe call (?.) and null check (!!) perform the same operation.
The safe call (?.) checks if a variable is null and returns null if it is, while the null check (!!) throws a KotlinNullPointerException if the variable is null.
KotlinNullPointerException
The safe call (?.) and null check (!!) both return the value of the variable if it is null.