Interface TypeAnnotation.SupertypeTarget

All Superinterfaces:

TypeAnnotation.TargetInfoPREVIEW

Enclosing interface:

TypeAnnotationPREVIEW

public static sealed interface TypeAnnotation.SupertypeTarget
extends TypeAnnotation.TargetInfoPREVIEW

SupertypeTarget is a preview API of the Java platform.

Programs can only use SupertypeTarget when preview features are enabled.

Preview features may be removed in a future release, or upgraded to permanent features of the Java platform.

Indicates that an annotation appears on a type in the extends or implements clause of a class or interface declaration.

Since:

22

Field Summary

Fields declared in interface java.lang.classfile.TypeAnnotation.TargetInfo^PREVIEW

TARGET_CAST, TARGET_CLASS_EXTENDS, TARGET_CLASS_TYPE_PARAMETER, TARGET_CLASS_TYPE_PARAMETER_BOUND, TARGET_CONSTRUCTOR_INVOCATION_TYPE_ARGUMENT, TARGET_CONSTRUCTOR_REFERENCE, TARGET_CONSTRUCTOR_REFERENCE_TYPE_ARGUMENT, TARGET_EXCEPTION_PARAMETER, TARGET_FIELD, TARGET_INSTANCEOF, TARGET_LOCAL_VARIABLE, TARGET_METHOD_FORMAL_PARAMETER, TARGET_METHOD_INVOCATION_TYPE_ARGUMENT, TARGET_METHOD_RECEIVER, TARGET_METHOD_REFERENCE, TARGET_METHOD_REFERENCE_TYPE_ARGUMENT, TARGET_METHOD_RETURN, TARGET_METHOD_TYPE_PARAMETER, TARGET_METHOD_TYPE_PARAMETER_BOUND, TARGET_NEW, TARGET_RESOURCE_VARIABLE, TARGET_THROWS

Method Summary

Modifier and Type	Method	Description
int	supertypeIndex()	JVMS: A supertype_index value of 65535 specifies that the annotation appears on the superclass in an extends clause of a class declaration.

Methods declared in interface java.lang.classfile.TypeAnnotation.TargetInfo^PREVIEW

size, targetType

Method Details

supertypeIndex

int supertypeIndex()

JVMS: A supertype_index value of 65535 specifies that the annotation appears on the superclass in an extends clause of a class declaration. Any other supertype_index value is an index into the interfaces array of the enclosing ClassFile structure, and specifies that the annotation appears on that superinterface in either the implements clause of a class declaration or the extends clause of an interface declaration.

Returns:

the index into the interfaces array or 65535 to indicate it is the superclass