Interface TypeDescriptor

All Known Subinterfaces:: ClassDesc, MethodTypeDesc, TypeDescriptor.OfField<F>, TypeDescriptor.OfMethod<F,M>

All Known Implementing Classes:: Class, MethodType

public interface TypeDescriptor

An entity that has a type descriptor.

Since:: 12

Nested Class Summary

Modifier and Type	Interface	Description
`static interface`	`TypeDescriptor.OfField<F extends TypeDescriptor.OfField<F>>`	An entity that has a field type descriptor.
`static interface`	`TypeDescriptor.OfMethod<F extends TypeDescriptor.OfField<F>, M extends TypeDescriptor.OfMethod<F,M>>`	An entity that has a method type descriptor Method descriptors conforming to JVMS 4.3.3 can be described nominally via `MethodType::describeConstable`; otherwise they cannot be described nominally.

Method Summary

Modifier and Type	Method	Description
`String`	`descriptorString()`	Returns the descriptor string for this `TypeDescriptor` object.

Method Details

descriptorString

String descriptorString()

Returns the descriptor string for this TypeDescriptor object. If this TypeDescriptor object can be described in nominal form, then this method returns a type descriptor as specified in JVMS 4.3. The result descriptor string can be used to produce a nominal descriptor. Otherwise, the result string is not a type descriptor. No nominal descriptor can be produced from the result string.

Returns:: the descriptor string for this TypeDescriptor object
See Java Virtual Machine Specification:: 4.3.2 Field Descriptors
4.3.3 Method Descriptors

© 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/invoke/TypeDescriptor.html