Interface ClassEntry

All Superinterfaces:

LoadableConstantEntryPREVIEW, PoolEntryPREVIEW

public sealed interface ClassEntry
extends LoadableConstantEntryPREVIEW

ClassEntry is a preview API of the Java platform.

Programs can only use ClassEntry 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_Class_info constant in the constant pool of a classfile.

See Java Virtual Machine Specification:

4.4.1 The CONSTANT_Class_info Structure

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
String	asInternalName()	Returns the class name, as an internal binary name.
ClassDesc	asSymbol()	Returns the class name, as a symbolic descriptor.
default ConstantDesc	constantValue()	Returns the constant described by this entry.
Utf8EntryPREVIEW	name()	Returns the UTF8 constant pool entry for the class name.

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

default ConstantDesc constantValue()

Description copied from interface: LoadableConstantEntry

Returns the constant described by this entry.

Specified by:

constantValue in interface LoadableConstantEntryPREVIEW

Returns:

the constant described by this entry

name

Utf8EntryPREVIEW name()

Returns the UTF8 constant pool entry for the class name.

Returns:

the UTF8 constant pool entry for the class name

asInternalName

String asInternalName()

Returns the class name, as an internal binary name.

Returns:

the class name, as an internal binary name

asSymbol

ClassDesc asSymbol()

Returns the class name, as a symbolic descriptor.

Returns:

the class name, as a symbolic descriptor