- 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:
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Nested Class Summary
Nested classes/interfaces declared in class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>> -
Enum Constant Summary
Enum ConstantsEnum ConstantDescriptionAn annotation interface.A binding variable in a pattern.A class not described by a more specific kind (likeENUMorRECORD).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 TypeMethodDescriptionbooleanisClass()Returnstrueif this is a kind of class: eitherCLASSorENUMorRECORD.booleanbooleanReturnstrueif this is a kind of executable: eitherMETHODorCONSTRUCTORorSTATIC_INITorINSTANCE_INIT.booleanisField()Returnstrueif this is a kind of field: eitherFIELDorENUM_CONSTANT.booleanReturnstrueif this is a kind of initializer: eitherSTATIC_INITorINSTANCE_INIT.booleanReturnstrueif this is a kind of interface: eitherINTERFACEorANNOTATION_TYPE.booleanReturnstrueif this is a kind of variable: includingENUM_CONSTANT,FIELD,PARAMETER,LOCAL_VARIABLE,EXCEPTION_PARAMETER,RESOURCE_VARIABLE, andBINDING_VARIABLE.static ElementKindReturns 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.
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Enum Constant Details
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PACKAGE
A package. -
ENUM
An enum class. -
CLASS
A class not described by a more specific kind (likeENUMorRECORD). -
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
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MODULE
A module.- Since:
- 9
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RECORD
A record class.- Since:
- 16
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RECORD_COMPONENT
A record component of arecord.- Since:
- 16
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BINDING_VARIABLE
A binding variable in a pattern.- Since:
- 16
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Method Details
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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
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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
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isClass
public boolean isClass()Returnstrueif this is a kind of class: eitherCLASSorENUMorRECORD.- Returns:
trueif this is a kind of class
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isInterface
public boolean isInterface()Returnstrueif this is a kind of interface: eitherINTERFACEorANNOTATION_TYPE.- Returns:
trueif this is a kind of interface
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isDeclaredType
public boolean isDeclaredType() -
isField
public boolean isField()Returnstrueif this is a kind of field: eitherFIELDorENUM_CONSTANT.- Returns:
trueif this is a kind of field
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isExecutable
public boolean isExecutable()Returnstrueif this is a kind of executable: eitherMETHODorCONSTRUCTORorSTATIC_INITorINSTANCE_INIT.- Returns:
trueif this is a kind of executable- Since:
- 19
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isInitializer
public boolean isInitializer()Returnstrueif this is a kind of initializer: eitherSTATIC_INITorINSTANCE_INIT.- Returns:
trueif this is a kind of initializer- Since:
- 19
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isVariable
public boolean isVariable()Returnstrueif this is a kind of variable: includingENUM_CONSTANT,FIELD,PARAMETER,LOCAL_VARIABLE,EXCEPTION_PARAMETER,RESOURCE_VARIABLE, andBINDING_VARIABLE.- Returns:
trueif this is a kind of variable- Since:
- 19
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