NullType (javaparser-core 3.26.4 API)

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.

Author:

Federico Tomassetti

Field Summary

Fields
Modifier and Type Field Description

static NullType INSTANCE

Method Summary

All Methods Instance Methods Concrete Methods
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?
`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 Detail
  - INSTANCE
```
public static final NullType INSTANCE
```
- Method Detail
  - 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