Module java.base

Package java.lang.classfile.constantpool^PREVIEW

Interface ConstantValueEntry

All Superinterfaces:

ClassFileElementPREVIEW, LoadableConstantEntryPREVIEW, PoolEntryPREVIEW, WritableElementPREVIEW<PoolEntryPREVIEW>

All Known Subinterfaces:

DoubleEntryPREVIEW, FloatEntryPREVIEW, IntegerEntryPREVIEW, LongEntryPREVIEW, StringEntryPREVIEW

public sealed interface ConstantValueEntry
extends LoadableConstantEntryPREVIEW
permits DoubleEntryPREVIEW, FloatEntryPREVIEW, IntegerEntryPREVIEW, LongEntryPREVIEW, StringEntryPREVIEW

ConstantValueEntry is a preview API of the Java platform.

Programs can only use ConstantValueEntry when preview features are enabled.

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

Models a constant pool entry that can be used as the constant in a ConstantValue attribute; this includes the four primitive constant types and String constants.

Sealed Class Hierarchy Graph:

Since:

22

Method Summary

Modifier and Type	Method	Description
ConstantDesc	constantValue()	Returns the constant value.

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

typeKind

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 value. The constant value will be an Integer, Long, Float, Double, or String.

Specified by:

constantValue in interface LoadableConstantEntryPREVIEW

Returns:

the constant value