NullType

java.lang.Object

com.github.javaparser.resolution.model.typesystem.NullType

All Implemented Interfaces:: ResolvedType

public class NullType extends Object implements ResolvedType

This is a virtual type used to represent null values.

Field Summary

Fields

Modifier and Type

Field

Description

static final NullType

INSTANCE
Constructor Summary

Constructors

Modifier

Constructor

Description

private

NullType()
Method Summary

Modifier and Type

Method

Description

String

describe()

boolean

isArray()

boolean

isAssignableBy(ResolvedType other)

This method checks if ThisType t = new OtherType() would compile.

boolean

isNull()

Is this the null type?

boolean

isReferenceType()

Can this be seen as a ReferenceTypeUsage? In other words: is this a reference to a class, an interface or an enum?

boolean

isTypeVariable()

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.github.javaparser.resolution.types.ResolvedType
arrayLevel, asArrayType, asConstraintType, asPrimitive, asReferenceType, asTypeParameter, asTypeVariable, asUnionType, asWildcard, erasure, isConstraint, isInferenceVariable, isNumericType, isPrimitive, isReference, isUnionType, isVoid, isWildcard, mention, replaceTypeVariables, replaceTypeVariables, solveGenericTypes, toDescriptor

Field Details
- INSTANCE
  
  public static final NullType INSTANCE
Constructor Details
- NullType
  
  private NullType()
Method Details
- isArray
  
  public boolean isArray()
  
  Specified by:
  
  isArray in interface ResolvedType
  
  Returns:
  
  true, if this type represent an array - otherwise false.
- isNull
  
  public boolean isNull()
  
  Description copied from interface: ResolvedType
  
  Is this the null type?
  
  Specified by:
  
  isNull in interface ResolvedType
- isReferenceType
  
  public boolean isReferenceType()
  
  Description copied from interface: ResolvedType
  
  Can this be seen as a ReferenceTypeUsage? In other words: is this a reference to a class, an interface or an enum?
  
  Specified by:
  
  isReferenceType in interface ResolvedType
- describe
  
  public String describe()
  
  Specified by:
  
  describe in interface ResolvedType
- isTypeVariable
  
  public boolean isTypeVariable()
  
  Specified by:
  
  isTypeVariable in interface ResolvedType
- isAssignableBy
  
  public boolean isAssignableBy(ResolvedType other)
  
  Description copied from interface: ResolvedType
  
  This method checks if ThisType t = new OtherType() would compile.
  
  Specified by:
  
  isAssignableBy in interface ResolvedType