- All Implemented Interfaces:
Serializable
,Comparable<ElementKind>
,Constable
public enum ElementKind extends Enum<ElementKind>
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:
Element
-
Nested Class Summary
Nested classes/interfaces declared in class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
-
Enum Constant Summary
Enum Constants Enum Constant Description ANNOTATION_TYPE
An annotation type.BINDING_VARIABLE
Associated with pattern matching for {@code instanceof}, a preview feature of the Java language.
A binding variable in a pattern .CLASS
A class not described by a more specific kind (likeENUM
orRECORD
).CONSTRUCTOR
A constructor.ENUM
An enum type.ENUM_CONSTANT
An enum constant.EXCEPTION_PARAMETER
A parameter of an exception handler.FIELD
A field not described by a more specific kind (likeENUM_CONSTANT
).INSTANCE_INIT
An instance initializer.INTERFACE
An interface not described by a more specific kind (likeANNOTATION_TYPE
).LOCAL_VARIABLE
A local variable.METHOD
A method.MODULE
A module.OTHER
An implementation-reserved element.PACKAGE
A package.PARAMETER
A parameter of a method or constructor.RECORD
Associated with records, a preview feature of the Java language.
A record type.RECORD_COMPONENT
Associated with records, a preview feature of the Java language.
A record component of arecord
.RESOURCE_VARIABLE
A resource variable.STATIC_INIT
A static initializer.TYPE_PARAMETER
A type parameter. -
Method Summary
Modifier and Type Method Description boolean
isClass()
Returnstrue
if this is a kind of class: eitherCLASS
orENUM
orRECORD
.boolean
isField()
Returnstrue
if this is a kind of field: eitherFIELD
orENUM_CONSTANT
.boolean
isInterface()
Returnstrue
if this is a kind of interface: eitherINTERFACE
orANNOTATION_TYPE
.static ElementKind
valueOf(String name)
Returns the enum constant of this type with the specified name.static ElementKind[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
-
Enum Constant Details
-
PACKAGE
A package. -
ENUM
An enum type. -
CLASS
A class not described by a more specific kind (likeENUM
orRECORD
). -
ANNOTATION_TYPE
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
This enum constant is associated with records, a preview feature of the Java language. Preview features may be removed in a future release, or upgraded to permanent features of the Java language.
A record type.- Since:
- 14
-
RECORD_COMPONENT
This enum constant is associated with records, a preview feature of the Java language. Preview features may be removed in a future release, or upgraded to permanent features of the Java language.
A record component of arecord
.- Since:
- 14
-
BINDING_VARIABLE
This enum constant is associated with pattern matching for {@code instanceof}, a preview feature of the Java language. Preview features may be removed in a future release, or upgraded to permanent features of the Java language.
A binding variable in a pattern .- Since:
- 14
-
-
Method Details
-
values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
-
valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type 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
-
isField
public boolean isField()Returnstrue
if this is a kind of field: eitherFIELD
orENUM_CONSTANT
.- Returns:
true
if this is a kind of field
-