NullType (Java SE 26 & JDK 26)
Description: declaration: module: java.compiler, package: javax.lang.model.type, interface: NullType
Keywords: javax.lang.model.type.NullType interface

# Interface NullType

All Superinterfaces:
  `AnnotatedConstruct, ReferenceType, TypeMirror`

public interface NullType extends ReferenceType
Represents the null type. This is the type of the expression `null`.

See Java Language Specification:
  3.10.8 The Null Literal
  4.1 The Kinds of Types and Values
Since:
  1.6
See Also:
  - `Types.getNullType()`

- ## Method Summary

  ### Methods declared in interface TypeMirror

  `accept, equals, getAnnotation, getAnnotationMirrors, getAnnotationsByType, getKind, hashCode, toString`
  Modifier and Type
  Method
  Description
  `<R,P> R`
  `accept(TypeVisitor<R,P> v, P p)`
  Applies a visitor to this type.
  `boolean`
  `equals(Object obj)`
  Obeys the general contract of `Object.equals`.
  `<A extends Annotation>
  A`
  `getAnnotation(Class<A> annotationType)`
  Returns this construct's annotation of the specified type if such an annotation is present, else `null`.
  `List<? extends AnnotationMirror>`
  `getAnnotationMirrors()`
  Returns the annotations that are directly present on this construct.
  `<A extends Annotation>
  A[]`
  `getAnnotationsByType(Class<A> annotationType)`
  Returns annotations of the specified type that are associated with this construct.
  `TypeKind`
  `getKind()`
  Returns the `kind` of this type.
  `int`
  `hashCode()`
  Obeys the general contract of `Object.hashCode`.
  `String`
  `toString()`
  Returns an informative string representation of this type.