Interface NestMembersAttribute

All Superinterfaces:: Attribute<NestMembersAttribute>, ClassElement, ClassFileElement

public sealed interface NestMembersAttribute extends Attribute<NestMembersAttribute>, ClassElement

Models the NestMembers attribute (JVMS 4.7.29), which indicates that this class is the host of a nest and the other nest members.

This attribute only appears on classes, and does not permit multiple instances in a class. It has a data dependency on the constant pool.

The attribute was introduced in the Java SE Platform version 11, major version 55.

See Java Virtual Machine Specification:

4.7.29 The NestMembers Attribute

Since:

See Also:

Method Summary

Modifier and Type	Method	Description
`List<ClassEntry>`	`nestMembers()`	Returns the classes belonging to the nest hosted by this class.
`static NestMembersAttribute`	`of(ClassEntry... nestMembers)`	Returns a `NestMembers` attribute.
`static NestMembersAttribute`	`of(List<ClassEntry> nestMembers)`	Returns a `NestMembers` attribute.
`static NestMembersAttribute`	`ofSymbols(ClassDesc... nestMembers)`	Returns a `NestMembers` attribute.
`static NestMembersAttribute`	`ofSymbols(List<ClassDesc> nestMembers)`	Returns a `NestMembers` attribute.

Methods declared in interface Attribute

attributeMapper, attributeName

Method Details

nestMembers

List<ClassEntry> nestMembers()

Returns the classes belonging to the nest hosted by this class.

Returns:

the classes belonging to the nest hosted by this class

See Also:

of

static NestMembersAttribute of(List<ClassEntry> nestMembers)

Returns a NestMembers attribute.

Parameters:: nestMembers - the member classes of the nest
Returns:: a NestMembers attribute

of

static NestMembersAttribute of(ClassEntry... nestMembers)

Returns a NestMembers attribute.

Parameters:: nestMembers - the member classes of the nest
Returns:: a NestMembers attribute

ofSymbols

static NestMembersAttribute ofSymbols(List<ClassDesc> nestMembers)

Returns a NestMembers attribute.

Parameters:: nestMembers - the member classes of the nest
Returns:: a NestMembers attribute
Throws:: IllegalArgumentException - if any of nestMembers is primitive

ofSymbols

static NestMembersAttribute ofSymbols(ClassDesc... nestMembers)

Returns a NestMembers attribute.

Parameters:: nestMembers - the member classes of the nest
Returns:: a NestMembers attribute
Throws:: IllegalArgumentException - if any of nestMembers is primitive

© 1993, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/25/docs/api/java.base/java/lang/classfile/attribute/NestMembersAttribute.html