Jakarta Activation is used by Jakarta Mail to manage MIME data.

This package defines the common annotations.

Provides APIs used by artifacts in a Batch chunk step.

Provides APIs defining Batch job-level and step-level listener artifacts.

Provides APIs for starting, managing, and viewing results of Batch job executions, along with a set of exceptions.

Provides APIs for context classes allowing data sharing across Batch artifacts within a job instance and within a step.

Classes and interfaces that make up the Jakarta Concurrency specification.

Annotations and interfaces relating to scopes and contexts.

The custom context SPI.

The portable extension integration SPI.

The core interfaces of the language model that represent annotations and annotation targets.

Interfaces that represent types.

This package specifies a means for obtaining objects in such a way as to maximize reusability, testability and maintainability compared to traditional approaches such as constructors, factories, and service locators (e.g., JNDI). This process, known as dependency injection, is beneficial to most nontrivial applications.

Provides JSON Binding API, which enables binding Java objects from and to JSON documents.

Defines annotations for customizing the mapping between Java program elements and JSON documents.

Defines serializer depending classes.

Service Provider Interface (SPI) to plug in implementations for JSON processing objects.

This package defines annotations for light-weight web services programming model.

The Jakarta Mail API provides classes that model a mail system.

Classes specific to Internet mail systems.

Jakarta Mail API utility classes.

Jakarta Persistence Criteria API

SPI for Jakarta Persistence providers

The jakarta.resource.cci package contains API specification for the Common Client Interface (CCI).

This package contains system contracts for service endpoint interactions.

This package contains APIs for the Work Management, Generic and Security Work Context contracts.

The HTTP authentication mechanism API package.

The Identity Store Credential API package.

Top level package of the Jakarta Bean Validation API.

Contains all the Jakarta Bean Validation provided constraints also called built-in constraints.

Package related to the control and execution of executable validation.

Package containing all objects specifically used and returned by the metadata API.

Package containing objects dedicated to extract values to validate from containers.

This package contains all the Jakarta WebSocket APIs used only by server side applications.

The JAX-RS client API

Low-level interfaces and annotations used to create RESTful service resources.

Server-Sent Events related API.

Defines annotations for customizing Java program elements to XML Schema mapping.

This package is implemented by a MIME-based package processor that enables the interpretation and creation of optimized binary data within an MIME-based package format.

Provides the API for creating and building SOAP messages.

This package defines APIs for message handlers.

This package defines APIs specific to the HTTP binding.

This package defines SPIs for Jakarta XML Web Services.

This package defines APIs related to WS-Addressing.