- All Implemented Interfaces:
Serializable
,Comparable<ElementKind>
,Constable
The
kind
of an element.
Note that it is possible additional element kinds will be added to accommodate new, currently unknown, language structures added to future versions of the Java programming language.
- Since:
- 1.6
- See Also:
-
Nested Class Summary
Nested classes/interfaces declared in class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
-
Enum Constant Summary
Enum ConstantDescriptionAn annotation interface.A binding variable in a pattern.A class not described by a more specific kind (likeENUM
orRECORD
).A constructor.An enum class.An enum constant.A parameter of an exception handler.A field not described by a more specific kind (likeENUM_CONSTANT
).An instance initializer.An interface not described by a more specific kind (likeANNOTATION_TYPE
).A local variable.A method.A module.An implementation-reserved element.A package.A parameter of a method or constructor.A record class.A record component of arecord
.A resource variable.A static initializer.A type parameter. -
Method Summary
Modifier and TypeMethodDescriptionboolean
isClass()
Returnstrue
if this is a kind of class: eitherCLASS
orENUM
orRECORD
.boolean
boolean
Returnstrue
if this is a kind of executable: eitherMETHOD
orCONSTRUCTOR
orSTATIC_INIT
orINSTANCE_INIT
.boolean
isField()
Returnstrue
if this is a kind of field: eitherFIELD
orENUM_CONSTANT
.boolean
Returnstrue
if this is a kind of initializer: eitherSTATIC_INIT
orINSTANCE_INIT
.boolean
Returnstrue
if this is a kind of interface: eitherINTERFACE
orANNOTATION_TYPE
.boolean
Returnstrue
if this is a kind of variable: includingENUM_CONSTANT
,FIELD
,PARAMETER
,LOCAL_VARIABLE
,EXCEPTION_PARAMETER
,RESOURCE_VARIABLE
, andBINDING_VARIABLE
.static ElementKind
Returns the enum constant of this class with the specified name.static ElementKind[]
values()
Returns an array containing the constants of this enum class, in the order they are declared.
-
Enum Constant Details
-
PACKAGE
A package. -
ENUM
An enum class. -
CLASS
A class not described by a more specific kind (likeENUM
orRECORD
). -
ANNOTATION_TYPE
An annotation interface. (Formerly known as an annotation type.) -
INTERFACE
An interface not described by a more specific kind (likeANNOTATION_TYPE
). -
ENUM_CONSTANT
An enum constant. -
FIELD
A field not described by a more specific kind (likeENUM_CONSTANT
). -
PARAMETER
A parameter of a method or constructor. -
LOCAL_VARIABLE
A local variable. -
EXCEPTION_PARAMETER
A parameter of an exception handler. -
METHOD
A method. -
CONSTRUCTOR
A constructor. -
STATIC_INIT
A static initializer. -
INSTANCE_INIT
An instance initializer. -
TYPE_PARAMETER
A type parameter. -
OTHER
An implementation-reserved element. This is not the element you are looking for. -
RESOURCE_VARIABLE
A resource variable.- Since:
- 1.7
-
MODULE
A module.- Since:
- 9
-
RECORD
A record class.- Since:
- 16
-
RECORD_COMPONENT
A record component of arecord
.- Since:
- 16
-
BINDING_VARIABLE
A binding variable in a pattern.- Since:
- 16
-
-
Method Details
-
values
Returns an array containing the constants of this enum class, in the order they are declared.- Returns:
- an array containing the constants of this enum class, in the order they are declared
-
valueOf
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum class has no constant with the specified nameNullPointerException
- if the argument is null
-
isClass
public boolean isClass()Returnstrue
if this is a kind of class: eitherCLASS
orENUM
orRECORD
.- Returns:
true
if this is a kind of class
-
isInterface
public boolean isInterface()Returnstrue
if this is a kind of interface: eitherINTERFACE
orANNOTATION_TYPE
.- Returns:
true
if this is a kind of interface
-
isDeclaredType
public boolean isDeclaredType() -
isField
public boolean isField()Returnstrue
if this is a kind of field: eitherFIELD
orENUM_CONSTANT
.- Returns:
true
if this is a kind of field
-
isExecutable
public boolean isExecutable()Returnstrue
if this is a kind of executable: eitherMETHOD
orCONSTRUCTOR
orSTATIC_INIT
orINSTANCE_INIT
.- Returns:
true
if this is a kind of executable- Since:
- 19
-
isInitializer
public boolean isInitializer()Returnstrue
if this is a kind of initializer: eitherSTATIC_INIT
orINSTANCE_INIT
.- Returns:
true
if this is a kind of initializer- Since:
- 19
-
isVariable
public boolean isVariable()Returnstrue
if this is a kind of variable: includingENUM_CONSTANT
,FIELD
,PARAMETER
,LOCAL_VARIABLE
,EXCEPTION_PARAMETER
,RESOURCE_VARIABLE
, andBINDING_VARIABLE
.- Returns:
true
if this is a kind of variable- Since:
- 19
-