Packages 
Package Description
javax.annotation
This package defines the common annotations.
javax.annotation.security
This package contains the security common annotations.
javax.annotation.sql  
javax.batch.api
Provides APIs used by Batch artifacts.
javax.batch.api.chunk
Provides APIs used by artifacts in a Batch chunk step.
javax.batch.api.chunk.listener
Provides APIs defining listener artifacts for a Batch chunk step.
javax.batch.api.listener
Provides APIs defining Batch job-level and step-level listener artifacts.
javax.batch.api.partition
Provides APIs for artifacts specific to a Batch partitioned step.
javax.batch.operations
Provides APIs for starting, managing, and viewing results of Batch job executions, along with a set of exceptions.
javax.batch.runtime
Provides APIs for viewing the detailed outcomes and metrics of Batch job executions.
javax.batch.runtime.context
Provides APIs for context classes allowing data sharing across Batch artifacts within a job instance and within a step.
javax.decorator
Annotations relating to decorators.
javax.ejb
Contains the Enterprise JavaBeans classes and interfaces that define the contracts between the enterprise bean and its clients and between the enterprise bean and the EJB container.
javax.ejb.embeddable
Defines the classes for the EJB Embeddable API.
javax.ejb.spi
Defines interfaces that are implemented by the EJB container.
javax.el
Provides the API for the Unified Expression Language 3.0
javax.enterprise.concurrent
Classes and interfaces for concurrent programming in Java EE™ applications.
javax.enterprise.context
Annotations and interfaces relating to scopes and contexts.
javax.enterprise.context.control  
javax.enterprise.context.spi
The custom context SPI.
javax.enterprise.event
Annotations and interfaces relating to events.
javax.enterprise.inject  
javax.enterprise.inject.literal  
javax.enterprise.inject.se  
javax.enterprise.inject.spi
The portable extension integration SPI.
javax.enterprise.inject.spi.configurator  
javax.enterprise.util
Contains shared, general-purpose helper classes and annotations.
javax.faces
Top level classes for the JavaServer(tm) Faces API.
javax.faces.annotation
Annotations in this class allow injection of JSF objects into CDI beans.
javax.faces.application
APIs that are used to link an application's business logic objects to JavaServer Faces, as well as convenient pluggable mechanisms to manage the execution of an application that is based on JavaServer Faces.
javax.faces.bean
This package is now deprecated.
javax.faces.component
Fundamental APIs for user interface components.
javax.faces.component.behavior
APIs for attaching additional behavior to user interface components.
javax.faces.component.html
Specialized user interface component classes for HTML.
javax.faces.component.search
APIs for searching for components in the component tree by using expressions.
javax.faces.component.visit
APIs for traversing a user interface component view.
javax.faces.context
Classes and interfaces defining per-request state information.
javax.faces.convert
Contains classes and interfaces defining converters.
javax.faces.el
DEPRECATED Classes and interfaces for evaluating and processing reference expressions.
javax.faces.event
Interfaces describing events and event listeners, and concrete event implementation classes.
javax.faces.flow
The runtime API for Faces Flows.
javax.faces.flow.builder
Classes for declaring a Faces Flow.
javax.faces.lifecycle
Classes and interfaces defining lifecycle management for the JavaServer Faces implementation.
javax.faces.model
Standard model data beans for JavaServer Faces.
javax.faces.push
This package hosts the CDI annotation for injecting a PushContext.
javax.faces.render
Classes and interfaces defining the rendering model.
javax.faces.validator
Interface defining the validator model, and concrete validator implementation classes.
javax.faces.view
Classes for defining a View Declaration Language (VDL) for authoring JavaServer Faces user interfaces.
javax.faces.view.facelets
This package contains public classes for the Java code API of Facelets.
javax.faces.webapp
Classes required for integration of JavaServer Faces into web applications, including a standard servlet, base classes for JSP custom component tags, and concrete tag implementations for core tags.
javax.inject
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.
javax.interceptor
Contains annotations and interfaces for defining interceptor methods and interceptor classes, and for binding interceptor classes to target classes.
javax.jms
The Java Message Service (JMS) API provides a common way for Java programs to create, send, receive and read an enterprise messaging system's messages.
javax.json
Provides an object model API to process JSON.
javax.json.bind
Provides JSON Binding API, which enables binding Java objects from and to JSON documents.
javax.json.bind.adapter
Defines adapter related classes.
javax.json.bind.annotation
Defines annotations for customizing the mapping between Java program elements and JSON documents.
javax.json.bind.config
Defines strategies and policies for customizing the mapping between Java program elements and JSON documents.
javax.json.bind.serializer
Defines serializer depending classes.
javax.json.bind.spi
Service Provider Interface (SPI) to plug in implementations of JSON Binding API JsonbBuilder objects.
javax.json.spi
Service Provider Interface (SPI) to plug in implementations for JSON processing objects.
javax.json.stream
Provides a streaming API to parse and generate JSON.
javax.mail
The JavaMailTM API provides classes that model a mail system.
javax.mail.event
Listeners and events for the JavaMail API.
javax.mail.internet
Classes specific to Internet mail systems.
javax.mail.search
Message search terms for the JavaMail API.
javax.mail.util
JavaMail API utility classes.
javax.management.j2ee
Provides the J2EE Management Enterprise Bean component (MEJB) interfaces.
javax.management.j2ee.statistics
Provides the standard interfaces for accessing performance data from J2EE managed objects
javax.persistence
Java Persistence is the API for the management for persistence and object/relational mapping.
javax.persistence.criteria
Java Persistence Criteria API
javax.persistence.metamodel
Java Persistence Metamodel API
javax.persistence.spi
SPI for Java Persistence providers
javax.resource
The javax.resource package is the top-level package for the Java EE Connector API specification.
javax.resource.cci
The javax.resource.cci package contains API specification for the Common Client Interface (CCI).
javax.resource.spi
The javax.resource.spi package contains APIs for the system contracts defined in the Java EE Connector Architecture specification.
javax.resource.spi.endpoint
This package contains system contracts for service endpoint interactions.
javax.resource.spi.security
The javax.resource.spi.security package contains APIs for the security management contract.
javax.resource.spi.work
This package contains APIs for the Work Management, Generic and Security Work Context contracts.
javax.security.auth.message
This package defines the core interfaces of the JSR 196 message authentication SPI.
javax.security.auth.message.callback
This package defines callback interfaces that may be used by a pluggable message authentication module to interact with the message processing runtime that invoked the module.
javax.security.auth.message.config
This package defines the interfaces implemented by JSR 196 compatible configuration systems.
javax.security.auth.message.module
This package defines the interfaces implemented by JSR 196 compatible authentication modules.
javax.security.enterprise
The main Java EE Security API package.
javax.security.enterprise.authentication.mechanism.http
The HTTP authentication mechanism API package.
javax.security.enterprise.credential
The Identity Store Credential API package.
javax.security.enterprise.identitystore
The identity store API package.
javax.security.jacc
This package contains the Java Authorization Contract for Containers API
javax.servlet
The javax.servlet package contains a number of classes and interfaces that describe and define the contracts between a servlet class and the runtime environment provided for an instance of such a class by a conforming servlet container.
javax.servlet.annotation
The javax.servlet.annotation package contains a number of annotations that allow users to use annotations to declare servlets, filters, listeners and specify the metadata for the declared component.
javax.servlet.descriptor
Provides programmatic access to a web application's configuration information that was aggregated from the web.xml and web-fragment.xml descriptors.
javax.servlet.http
The javax.servlet.http package contains a number of classes and interfaces that describe and define the contracts between a servlet class running under the HTTP protocol and the runtime environment provided for an instance of such a class by a conforming servlet container.
javax.servlet.jsp
Classes and interfaces for the Core JSP 2.3 API.
javax.servlet.jsp.el
Provides the ELResolver classes that define the object resolution rules that must be supported by a JSP container with the new unified Expression Language.
javax.servlet.jsp.jstl.core
Classes and interfaces related to the core tag library component of the JavaServer Pages Standard Tag Library (JSTL).
javax.servlet.jsp.jstl.fmt
Classes and interfaces related to the locale sensitive formatting tag library component of the JavaServer Pages Standard Tag Library (JSTL).
javax.servlet.jsp.jstl.sql
Classes and interfaces related to the sql tag library component of the JavaServer Pages Standard Tag Library (JSTL).
javax.servlet.jsp.jstl.tlv
Reusable Tag Library Validator (TLV) classes provided by the JavaServer Pages Standard Tag Library (JSTL).
javax.servlet.jsp.tagext
Classes and interfaces for the definition of JavaServer Pages Tag Libraries.
javax.transaction
Provides the API that defines the contract between the transaction manager and the various parties involved in a distributed transaction namely : resource manager, application, and application server.
javax.transaction.xa
Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.validation
Top level package of the Bean Validation API.
javax.validation.bootstrap
Package containing bootstrap specific objects.
javax.validation.constraints
Contains all the Bean Validation provided constraints also called built-in constraints.
javax.validation.constraintvalidation
Package containing constructs specific to constraint validators In particular SupportedValidationTarget is used to refine the validation target of a ConstraintValidator.
javax.validation.executable
Package related to the control and execution of executable validation.
javax.validation.groups
A group defines a subset of constraints.
javax.validation.metadata
Package containing all objects specifically used and returned by the metadata API.
javax.validation.spi
Package containing objects specific to the interaction between the Bean Validation bootstrapping process and Bean Validation providers.
javax.validation.valueextraction
Package containing objects dedicated to extract values to validate from containers.
javax.websocket
This package contains all the WebSocket APIs common to both the client and server side.
javax.websocket.server
This package contains all the WebSocket APIs used only by server side applications.
javax.ws.rs
High-level interfaces and annotations used to create RESTful service resources.
javax.ws.rs.client
The JAX-RS client API
javax.ws.rs.container
Container-specific JAX-RS API.
javax.ws.rs.core
Low-level interfaces and annotations used to create RESTful service resources.
javax.ws.rs.ext
APIs that provide extensions to the types supported by the JAX-RS API.
javax.ws.rs.sse
Server-Sent Events related API.