Kotlin Null Safety Introduction Kotlin's null safety system eliminates NullPointerExceptions at compile time by distinguishing between nullable and non-nullable types in the type system. This approach makes null handling explicit and forces developers to consciously handle potential null values. Unlike Java where any reference can be null, Kotlin requires explicit declaration of nullability with the operator. The compiler enforces null checks before dereferencing nullable values, preventing the vast majority of null-related crashes that plague Java applications. This skill covers nullable typ…