N O

N

NotNull - Annotation Type in org.jetbrains.annotations

An element annotated with NotNull claims null value is forbidden to return (for methods), pass to (parameters) and hold (local variables and fields).

Nullable - Annotation Type in org.jetbrains.annotations

An element annotated with Nullable claims null value is perfectly valid to return (for methods), pass to (parameters) or hold in (local variables and fields).

O

org.jetbrains.annotations - package org.jetbrains.annotations

N O