Module java.base

Package java.lang.classfile.constantpool^PREVIEW

Interface PoolEntry

All Superinterfaces:

ClassFileElementPREVIEW, WritableElementPREVIEW<PoolEntryPREVIEW>

All Known Subinterfaces:

AnnotationConstantValueEntryPREVIEW, ClassEntryPREVIEW, ConstantDynamicEntryPREVIEW, ConstantValueEntryPREVIEW, DoubleEntryPREVIEW, DynamicConstantPoolEntryPREVIEW, FieldRefEntryPREVIEW, FloatEntryPREVIEW, IntegerEntryPREVIEW, InterfaceMethodRefEntryPREVIEW, InvokeDynamicEntryPREVIEW, LoadableConstantEntryPREVIEW, LongEntryPREVIEW, MemberRefEntryPREVIEW, MethodHandleEntryPREVIEW, MethodRefEntryPREVIEW, MethodTypeEntryPREVIEW, ModuleEntryPREVIEW, NameAndTypeEntryPREVIEW, PackageEntryPREVIEW, StringEntryPREVIEW, Utf8EntryPREVIEW

public sealed interface PoolEntry
extends WritableElementPREVIEW<PoolEntryPREVIEW>
permits AnnotationConstantValueEntryPREVIEW, DynamicConstantPoolEntryPREVIEW, LoadableConstantEntryPREVIEW, MemberRefEntryPREVIEW, ModuleEntryPREVIEW, NameAndTypeEntryPREVIEW, PackageEntryPREVIEW

PoolEntry is a preview API of the Java platform.

Programs can only use PoolEntry when preview features are enabled.

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

Models an entry in the constant pool of a classfile.

Sealed Class Hierarchy Graph:

Since:

22

Method Summary

Modifier and Type	Method	Description
ConstantPoolPREVIEW	constantPool()	Returns the constant pool this entry is from.
int	index()	Returns the index within the constant pool corresponding to this entry.
byte	tag()	Returns the constant pool tag that describes the type of this entry.
int	width()	Returns the number of constant pool slots this entry consumes.

Methods declared in interface java.lang.classfile.WritableElement^PREVIEW

writeTo

Method Details

constantPool

ConstantPoolPREVIEW constantPool()

Returns the constant pool this entry is from.

Returns:

the constant pool this entry is from

tag

byte tag()

Returns the constant pool tag that describes the type of this entry.

Returns:

the constant pool tag that describes the type of this entry

index

int index()

Returns the index within the constant pool corresponding to this entry.

Returns:

the index within the constant pool corresponding to this entry

width

int width()

Returns the number of constant pool slots this entry consumes.

Returns:

the number of constant pool slots this entry consumes