Your Dart program has a whole universe of types in it: primitive types like int and String , collection types like List , and all of the classes and types you and the packages you use define. Before null safety, the static type system allowed the value null to flow into expressions of any of those types .
Is string Nullable in Dart?
Your Dart program has a whole universe of types in it: primitive types like int and String , collection types like List , and all of the classes and types you and the packages you use define. Before null safety, the static type system allowed the value null to flow into expressions of any of those types .