Interface ConstantValueEntry

All Superinterfaces:

LoadableConstantEntryPREVIEW, 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^PREVIEW attribute; this includes the four primitive constant types and String constants.

Since:

22

Field Summary

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

TAG_CLASS, TAG_DOUBLE, TAG_DYNAMIC, TAG_FIELDREF, TAG_FLOAT, TAG_INTEGER, TAG_INTERFACE_METHODREF, TAG_INVOKE_DYNAMIC, TAG_LONG, TAG_METHOD_HANDLE, TAG_METHOD_TYPE, TAG_METHODREF, TAG_MODULE, TAG_NAME_AND_TYPE, TAG_PACKAGE, TAG_STRING, TAG_UTF8

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

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

See Also:

• ConstantPoolBuilder.constantValueEntry(ConstantDesc)^PREVIEW