nullsjekk
Nullsjekk, or a null check, is a programming practice used to determine whether a value is null before proceeding with operations that assume it is non-null. The primary purpose is to prevent null reference errors and to define safe handling paths when data is missing.
In practice, null checks are often performed explicitly, such as testing if a variable is null before
Language features commonly associated with null safety include: Kotlin’s nullable types and the safe call operator;
Beyond code, null checks are also important in data validation and API design. In databases and data
Best practices emphasize using language-supported null-safety features when available, avoiding excessive nesting of conditional checks, and