Module java.base

Package java.lang.classfile.constantpool^PREVIEW

Interface LoadableConstantEntry

All Superinterfaces:

ClassFileElementPREVIEW, PoolEntryPREVIEW, WritableElementPREVIEW<PoolEntryPREVIEW>

All Known Subinterfaces:

ClassEntryPREVIEW, ConstantDynamicEntryPREVIEW, ConstantValueEntryPREVIEW, DoubleEntryPREVIEW, FloatEntryPREVIEW, IntegerEntryPREVIEW, LongEntryPREVIEW, MethodHandleEntryPREVIEW, MethodTypeEntryPREVIEW, StringEntryPREVIEW

public sealed interface LoadableConstantEntry
extends PoolEntryPREVIEW
permits ClassEntryPREVIEW, ConstantDynamicEntryPREVIEW, ConstantValueEntryPREVIEW, MethodHandleEntryPREVIEW, MethodTypeEntryPREVIEW

LoadableConstantEntry is a preview API of the Java platform.

Programs can only use LoadableConstantEntry when preview features are enabled.

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

Marker interface for constant pool entries suitable for loading via the LDC instructions.

Sealed Class Hierarchy Graph:

Since:

22

Method Summary

Modifier and Type	Method	Description
ConstantDesc	constantValue()	Returns the constant described by this entry.
default TypeKindPREVIEW	typeKind()	Returns the type of the constant.

Methods declared in interface java.lang.classfile.constantpool.PoolEntry^PREVIEW

constantPool, index, tag, width

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

writeTo

Method Details

constantValue

ConstantDesc constantValue()

Returns the constant described by this entry.

Returns:

the constant described by this entry

typeKind

default TypeKindPREVIEW typeKind()

Returns the type of the constant.

Returns:

the type of the constant