@SubtypeOf(value={})
@DefaultInUncheckedCodeFor(value={RETURN,UPPER_BOUND})
@Documented
@Retention(value=RUNTIME)
@Target(value={TYPE_USE,TYPE_PARAMETER})
public @interface Nullable
Nullable
is a type annotation that indicates that the value is not known to be non-null
(see NonNull
). Only if an expression has a Nullable
type may it be assigned
null
.
This annotation is associated with the AbstractNullnessChecker
.
NonNull
,
MonotonicNonNull
,
AbstractNullnessChecker