Spring Framework 6.2.1 API

This is the public Java API documentation (Javadoc) for the Spring Framework.

See also the Kotlin API documentation (KDoc).

Packages

Package	Description
org.aopalliance.aop	The core AOP Alliance advice marker.
org.aopalliance.intercept	The AOP Alliance reflective interception abstraction.
org.apache.commons.logging	Spring's variant of the Commons Logging API: with special support for Log4J 2, SLF4J and java.util.logging.
org.apache.commons.logging.impl	Spring's variant of the Commons Logging API: with special support for Log4J 2, SLF4J and java.util.logging.
org.springframework.aop	Core Spring AOP interfaces, built on AOP Alliance AOP interoperability interfaces.
org.springframework.aop.aspectj	AspectJ integration package.
org.springframework.aop.aspectj.annotation	Classes enabling AspectJ 5 @Annotated classes to be used in Spring AOP.
org.springframework.aop.aspectj.autoproxy	Base classes enabling auto-proxying based on AspectJ.
org.springframework.aop.config	Support package for declarative AOP configuration, with XML schema being the primary configuration format.
org.springframework.aop.framework	Package containing Spring's basic AOP infrastructure, compliant with the AOP Alliance interfaces.
org.springframework.aop.framework.adapter	SPI package allowing Spring AOP framework to handle arbitrary advice types.
org.springframework.aop.framework.autoproxy	Bean post-processors for use in ApplicationContexts to simplify AOP usage by automatically creating AOP proxies without the need to use a ProxyFactoryBean.
org.springframework.aop.framework.autoproxy.target	Various TargetSourceCreator implementations for use with Spring's AOP auto-proxying support.
org.springframework.aop.interceptor	Provides miscellaneous interceptor implementations.
org.springframework.aop.scope	Support for AOP-based scoping of target objects, with configurable backend.
org.springframework.aop.support	Convenience classes for using Spring's AOP API.
org.springframework.aop.support.annotation	Annotation support for AOP pointcuts.
org.springframework.aop.target	Various TargetSource implementations for use with Spring AOP.
org.springframework.aop.target.dynamic	Support for dynamic, refreshable TargetSource implementations for use with Spring AOP.
org.springframework.aot	Core package for Spring AOT infrastructure.
org.springframework.aot.agent	Support for recording method invocations relevant to RuntimeHints metadata.
org.springframework.aot.generate	Support classes for components that contribute generated code equivalent to a runtime behavior.
org.springframework.aot.hint	Support for registering the need for reflection, resources, java serialization and proxies at runtime.
org.springframework.aot.hint.annotation	Annotation support for runtime hints.
org.springframework.aot.hint.predicate	Predicate support for runtime hints.
org.springframework.aot.hint.support	Convenience classes for using runtime hints.
org.springframework.aot.nativex	Support for generating GraalVM native configuration from runtime hints.
org.springframework.aot.test.agent	Testing support for the RuntimeHintsAgent.
org.springframework.aot.test.generate	Test support for core AOT classes.
org.springframework.asm	Spring's repackaging of ASM 9.x (with Spring-specific patches; for internal use only).
org.springframework.beans	This package contains interfaces and classes for manipulating Java beans.
org.springframework.beans.factory	The core package implementing Spring's lightweight Inversion of Control (IoC) container.
org.springframework.beans.factory.annotation	Support package for annotation-driven bean configuration.
org.springframework.beans.factory.aot	AOT support for bean factories.
org.springframework.beans.factory.aspectj	AspectJ-based dependency injection support.
org.springframework.beans.factory.config	SPI interfaces and configuration-related convenience classes for bean factories.
org.springframework.beans.factory.groovy	Support package for Groovy-based bean definitions.
org.springframework.beans.factory.parsing	Support infrastructure for bean definition parsing.
org.springframework.beans.factory.serviceloader	Support package for the Java ServiceLoader facility.
org.springframework.beans.factory.support	Classes supporting the org.springframework.beans.factory package.
org.springframework.beans.factory.wiring	Mechanism to determine bean wiring metadata from a bean instance.
org.springframework.beans.factory.xml	Contains an abstract XML-based BeanFactory implementation, including a standard "spring-beans" XSD.
org.springframework.beans.propertyeditors	Properties editors used to convert from String values to object types such as java.util.Properties.
org.springframework.beans.support	Classes supporting the org.springframework.beans package, such as utility classes for sorting and holding lists of beans.
org.springframework.cache	Spring's generic cache abstraction.
org.springframework.cache.annotation	Annotations and supporting classes for declarative cache management.
org.springframework.cache.aspectj	AspectJ-based caching support.
org.springframework.cache.caffeine	Support classes for the open source cache in Caffeine library, allowing to set up Caffeine caches within Spring's cache abstraction.
org.springframework.cache.concurrent	Implementation package for java.util.concurrent based caches.
org.springframework.cache.config	Support package for declarative caching configuration, with XML schema being the primary configuration format.
org.springframework.cache.interceptor	AOP-based solution for declarative caching demarcation.
org.springframework.cache.jcache	Implementation package for JSR-107 (javax.cache aka "JCache") based caches.
org.springframework.cache.jcache.config	Support package for declarative JSR-107 caching configuration.
org.springframework.cache.jcache.interceptor	AOP-based solution for declarative caching demarcation using JSR-107 annotations.
org.springframework.cache.support	Support classes for the org.springframework.cache package.
org.springframework.cache.transaction	Transaction-aware decorators for the org.springframework.cache package.
org.springframework.cglib	Spring's repackaging of CGLIB 3.3 (with Spring-specific patches; for internal use only).
org.springframework.cglib.beans	Spring's repackaging of the CGLIB beans package (for internal use only).
org.springframework.cglib.core	Spring's repackaging of the CGLIB core package (for internal use only).
org.springframework.cglib.core.internal	Spring's repackaging of the CGLIB core internal package (for internal use only).
org.springframework.cglib.proxy	Spring's repackaging of the CGLIB proxy package (for internal use only).
org.springframework.cglib.reflect	Spring's repackaging of the CGLIB reflect package (for internal use only).
org.springframework.cglib.transform	Spring's repackaging of the CGLIB transform package (for internal use only).
org.springframework.cglib.transform.impl	Spring's repackaging of the CGLIB transform impl package (for internal use only).
org.springframework.cglib.util	Spring's repackaging of the CGLIB util package (for internal use only).
org.springframework.context	This package builds on the beans package to add support for message sources and for the Observer design pattern, and the ability for application objects to obtain resources using a consistent API.
org.springframework.context.annotation	Annotation support for the Application Context, including JSR-250 "common" annotations, component-scanning, and Java-based metadata for creating Spring-managed objects.
org.springframework.context.annotation.aspectj	AspectJ-based dependency injection support driven by the @Configurable annotation.
org.springframework.context.aot	AOT support for application contexts.
org.springframework.context.config	Support package for advanced application context configuration, with XML schema being the primary configuration format.
org.springframework.context.event	Support classes for application events, like standard context events.
org.springframework.context.expression	Expression parsing support within a Spring application context.
org.springframework.context.i18n	Abstraction for determining the current Locale, plus global holder that exposes a thread-bound Locale.
org.springframework.context.index	Support package for reading and managing the components index.
org.springframework.context.index.processor	Core package for Spring Framework's scanned component index.
org.springframework.context.support	Classes supporting the org.springframework.context package, such as abstract base classes for ApplicationContext implementations and a MessageSource implementation.
org.springframework.context.weaving	Load-time weaving support for a Spring application context, building on Spring's LoadTimeWeaver abstraction.
org.springframework.core	Provides basic classes for exception handling and version detection, and other core helpers that are not specific to any part of the framework.
org.springframework.core.annotation	Core support package for annotations, meta-annotations, and merged annotations with attribute overrides.
org.springframework.core.codec	Encoder and Decoder abstractions to convert between a reactive stream of bytes and Java objects.
org.springframework.core.convert	Type conversion system API.
org.springframework.core.convert.converter	SPI to implement Converters for the type conversion system.
org.springframework.core.convert.support	Default implementation of the type conversion system.
org.springframework.core.env	Spring's environment abstraction consisting of bean definition profile and hierarchical property source support.
org.springframework.core.io	Generic abstraction for (file-based) resources, used throughout the framework.
org.springframework.core.io.buffer	Generic abstraction for working with byte buffer implementations.
org.springframework.core.io.support	Support classes for Spring's resource abstraction.
org.springframework.core.log	Useful delegates for Spring's logging conventions.
org.springframework.core.metrics	Support package for recording metrics during application startup.
org.springframework.core.metrics.jfr	Support package for recording startup metrics using Java Flight Recorder.
org.springframework.core.serializer	Root package for Spring's serializer interfaces and implementations.
org.springframework.core.serializer.support	Support classes for Spring's serializer abstraction.
org.springframework.core.style	Support for styling values as Strings, with ToStringCreator as central class.
org.springframework.core.task	This package defines Spring's core TaskExecutor abstraction, and provides SyncTaskExecutor and SimpleAsyncTaskExecutor implementations.
org.springframework.core.task.support	Support classes for Spring's TaskExecutor abstraction.
org.springframework.core.test.io.support	Test support classes for Spring's I/O support.
org.springframework.core.test.tools	Support classes for compiling and testing generated code.
org.springframework.core.type	Core support package for type introspection.
org.springframework.core.type.classreading	Support classes for reading annotation and class-level metadata.
org.springframework.core.type.filter	Core support package for type filtering (for example, for classpath scanning).
org.springframework.dao	Exception hierarchy enabling sophisticated error handling independent of the data access approach in use.
org.springframework.dao.annotation	Annotation support for DAOs.
org.springframework.dao.support	Support classes for DAO implementations, providing miscellaneous utility methods.
org.springframework.ejb.config	Support package for EJB/Jakarta EE-related configuration, with XML schema being the primary configuration format.
org.springframework.expression	Core abstractions behind the Spring Expression Language.
org.springframework.expression.common	Common utility classes behind the Spring Expression Language.
org.springframework.expression.spel	SpEL's central implementation package.
org.springframework.expression.spel.ast	SpEL's abstract syntax tree.
org.springframework.expression.spel.standard	SpEL's standard parser implementation.
org.springframework.expression.spel.support	SpEL's default implementations for various core abstractions.
org.springframework.format	An API for defining Formatters to format field model values for display in a UI.
org.springframework.format.annotation	Annotations for declaratively configuring field and parameter formatting rules.
org.springframework.format.datetime	Formatters for java.util.Date properties.
org.springframework.format.datetime.standard	Integration with the JSR-310 java.time package in JDK 8.
org.springframework.format.number	Formatters for java.lang.Number properties.
org.springframework.format.number.money	Integration with the JSR-354 javax.money package.
org.springframework.format.support	Support classes for the formatting package, providing common implementations as well as adapters.
org.springframework.http	Contains a basic abstraction over client/server-side HTTP.
org.springframework.http.client	Contains an abstraction over client-side HTTP.
org.springframework.http.client.observation	This package provides support for client HTTP Observation.
org.springframework.http.client.reactive	Abstractions for reactive HTTP client support including ClientHttpRequest and ClientHttpResponse as well as a ClientHttpConnector.
org.springframework.http.client.support	This package provides generic HTTP support classes, to be used by higher-level classes like RestTemplate.
org.springframework.http.codec	Provides implementations of Encoder and Decoder for web use.
org.springframework.http.codec.cbor	CBOR encoder and decoder support.
org.springframework.http.codec.json	JSON encoder and decoder support.
org.springframework.http.codec.multipart	Multipart support.
org.springframework.http.codec.protobuf	Provides an encoder and a decoder for Google Protocol Buffers.
org.springframework.http.codec.support	Provides implementations of ClientCodecConfigurer and ServerCodecConfigurer based on the converter implementations from org.springframework.http.codec.json and co.
org.springframework.http.codec.xml	XML encoder and decoder support.
org.springframework.http.converter	Provides an HttpMessageConverter abstraction to convert between Java objects and HTTP input/output messages.
org.springframework.http.converter.cbor	Provides an HttpMessageConverter for the CBOR data format.
org.springframework.http.converter.feed	Provides HttpMessageConverter implementations for handling Atom and RSS feeds.
org.springframework.http.converter.json	Provides HttpMessageConverter implementations for handling JSON.
org.springframework.http.converter.protobuf	Provides an HttpMessageConverter implementation for handling Google Protocol Buffers.
org.springframework.http.converter.smile	Provides an HttpMessageConverter for the Smile data format ("binary JSON").
org.springframework.http.converter.support	Provides a comprehensive HttpMessageConverter variant for form handling.
org.springframework.http.converter.xml	Provides HttpMessageConverter implementations for handling XML.
org.springframework.http.converter.yaml	Provides an HttpMessageConverter for the YAML data format.
org.springframework.http.server	Contains an abstraction over server-side HTTP.
org.springframework.http.server.observation	Instrumentation for observing HTTP server applications.
org.springframework.http.server.reactive	Abstractions for reactive HTTP server support including a ServerHttpRequest and ServerHttpResponse along with an HttpHandler for processing.
org.springframework.http.server.reactive.observation	Instrumentation for observing reactive HTTP server applications.
org.springframework.http.support	This package provides internal HTTP support classes, to be used by higher-level client and server classes.
org.springframework.instrument	Core package for byte code instrumentation.
org.springframework.instrument.classloading	Support package for load time weaving based on class loaders, as required by JPA providers (but not JPA-specific).
org.springframework.instrument.classloading.glassfish	Support for class instrumentation on GlassFish.
org.springframework.instrument.classloading.jboss	Support for class instrumentation on JBoss AS 6 and 7.
org.springframework.instrument.classloading.tomcat	Support for class instrumentation on Tomcat.
org.springframework.jca.endpoint	This package provides a facility for generic JCA message endpoint management.
org.springframework.jca.support	Provides generic support classes for JCA usage within Spring, mainly for local setup of a JCA ResourceAdapter and/or ConnectionFactory.
org.springframework.jdbc	The classes in this package make JDBC easier to use and reduce the likelihood of common errors.
org.springframework.jdbc.config	Defines the Spring JDBC configuration namespace.
org.springframework.jdbc.core	Provides the core JDBC framework, based on JdbcTemplate and its associated callback interfaces and helper objects.
org.springframework.jdbc.core.metadata	Context metadata abstraction for the configuration and execution of table inserts and stored procedure calls.
org.springframework.jdbc.core.namedparam	JdbcTemplate variant with named parameter support.
org.springframework.jdbc.core.simple	Simplification layer for common JDBC interactions.
org.springframework.jdbc.core.support	Classes supporting the org.springframework.jdbc.core package.
org.springframework.jdbc.datasource	Provides a utility class for easy DataSource access, a PlatformTransactionManager for a single DataSource, and various simple DataSource implementations.
org.springframework.jdbc.datasource.embedded	Provides extensible support for creating embedded database instances.
org.springframework.jdbc.datasource.init	Provides extensible support for initializing databases through scripts.
org.springframework.jdbc.datasource.lookup	Provides a strategy for looking up JDBC DataSources by name.
org.springframework.jdbc.object	The classes in this package represent RDBMS queries, updates, and stored procedures as threadsafe, reusable objects.
org.springframework.jdbc.support	Support classes for the JDBC framework, used by the classes in the jdbc.core and jdbc.object packages.
org.springframework.jdbc.support.incrementer	Provides a support framework for incrementing database table values via sequences, with implementations for various databases.
org.springframework.jdbc.support.lob	Provides a strategy interface for Large OBject handling, as well as a customizable default implementation.
org.springframework.jdbc.support.rowset	Provides a convenient holder for disconnected result sets.
org.springframework.jdbc.support.xml	Abstraction for handling fields of SQLXML data type.
org.springframework.jms	This package contains integration classes for JMS, allowing for Spring-style JMS access.
org.springframework.jms.annotation	Annotations and support classes for declarative JMS listener endpoints.
org.springframework.jms.config	Support package for declarative messaging configuration, with Java configuration and XML schema support.
org.springframework.jms.connection	Provides a PlatformTransactionManager implementation for a single JMS ConnectionFactory, and a SingleConnectionFactory adapter.
org.springframework.jms.core	Core package of the JMS support.
org.springframework.jms.core.support	Classes supporting the org.springframework.jms.core package.
org.springframework.jms.listener	This package contains the base message listener container facility.
org.springframework.jms.listener.adapter	Message listener adapter mechanism that delegates to target listener methods, converting messages to appropriate message content types (such as String or byte array) that get passed into listener methods.
org.springframework.jms.listener.endpoint	This package provides JCA-based endpoint management for JMS message listeners.
org.springframework.jms.support	This package provides generic JMS support classes, to be used by higher-level classes like JmsTemplate.
org.springframework.jms.support.converter	Provides a MessageConverter abstraction to convert between Java objects and JMS messages.
org.springframework.jms.support.destination	Support classes for Spring's JMS framework.
org.springframework.jmx	This package contains Spring's JMX support, which includes registration of Spring-managed beans as JMX MBeans as well as access to remote JMX MBeans.
org.springframework.jmx.access	Provides support for accessing remote MBean resources.
org.springframework.jmx.export	This package provides declarative creation and registration of Spring-managed beans as JMX MBeans.
org.springframework.jmx.export.annotation	Annotations for MBean exposure.
org.springframework.jmx.export.assembler	Provides a strategy for MBeanInfo assembly.
org.springframework.jmx.export.metadata	Provides generic JMX metadata classes and basic support for reading JMX metadata in a provider-agnostic manner.
org.springframework.jmx.export.naming	Provides a strategy for ObjectName creation.
org.springframework.jmx.export.notification	Provides supporting infrastructure to allow Spring-created MBeans to send JMX notifications.
org.springframework.jmx.support	Contains support classes for connecting to local and remote MBeanServers and for exposing an MBeanServer to remote clients.
org.springframework.jndi	The classes in this package make JNDI easier to use, facilitating the accessing of configuration stored in JNDI, and provide useful superclasses for JNDI access classes.
org.springframework.jndi.support	Support classes for JNDI usage, including a JNDI-based BeanFactory implementation.
org.springframework.lang	Common annotations with language-level semantics: nullability as well as JDK API indications.
org.springframework.mail	Spring's generic mail infrastructure.
org.springframework.mail.javamail	JavaMail support for Spring's mail infrastructure.
org.springframework.messaging	Support for working with messaging APIs and protocols.
org.springframework.messaging.converter	Provides support for message conversion.
org.springframework.messaging.core	Defines interfaces and implementation classes for messaging templates.
org.springframework.messaging.handler	Basic abstractions for working with message handler methods.
org.springframework.messaging.handler.annotation	Annotations and support classes for handling messages.
org.springframework.messaging.handler.annotation.reactive	Support classes for working with annotated message-handling methods with non-blocking, reactive contracts.
org.springframework.messaging.handler.annotation.support	Support classes for working with annotated message-handling methods.
org.springframework.messaging.handler.invocation	Common infrastructure for invoking message handler methods.
org.springframework.messaging.handler.invocation.reactive	Common infrastructure for invoking message handler methods with non-blocking, and reactive contracts.
org.springframework.messaging.rsocket	Support for the RSocket protocol.
org.springframework.messaging.rsocket.annotation	Annotations and support classes for handling RSocket streams.
org.springframework.messaging.rsocket.annotation.support	Support classes for working with annotated RSocket stream handling methods.
org.springframework.messaging.rsocket.service	Annotations to declare an RSocket service contract with request methods along with a proxy factory backed by an RSocketRequester.
org.springframework.messaging.simp	Generic support for Simple Messaging Protocols including protocols such as STOMP.
org.springframework.messaging.simp.annotation	Annotations and for handling messages from Simple Messaging Protocols such as STOMP.
org.springframework.messaging.simp.annotation.support	Support classes for handling messages from simple messaging protocols (like STOMP).
org.springframework.messaging.simp.broker	Provides a "simple" message broker implementation along with an abstract base class and other supporting types such as a registry for subscriptions.
org.springframework.messaging.simp.config	Configuration support for WebSocket messaging using higher level messaging protocols.
org.springframework.messaging.simp.stomp	Generic support for simple messaging protocols (like STOMP).
org.springframework.messaging.simp.user	Support for handling messages to "user" destinations (i.e.
org.springframework.messaging.support	Provides implementations of Message along with a MessageBuilder and MessageHeaderAccessor for building and working with messages and message headers, as well as various MessageChannel implementations and channel interceptor support.
org.springframework.messaging.tcp	Contains abstractions and implementation classes for establishing TCP connections via TcpOperations, handling messages via TcpConnectionHandler, as well as sending messages via TcpConnection.
org.springframework.messaging.tcp.reactor	Contains support for TCP messaging based on Reactor.
org.springframework.mock.env	This package contains mock implementations of the Environment and PropertySource abstractions.
org.springframework.mock.http	Mock implementations of client/server-side HTTP abstractions.
org.springframework.mock.http.client	Mock implementations of client-side HTTP abstractions.
org.springframework.mock.http.client.reactive	Mock implementations of reactive HTTP client contracts.
org.springframework.mock.http.server.reactive	Mock implementations of reactive HTTP server contracts.
org.springframework.mock.web	A comprehensive set of Servlet API 6.0 mock objects, targeted at usage with Spring's Web MVC framework.
org.springframework.mock.web.reactive.function.server	Mock objects for the functional web framework.
org.springframework.mock.web.server	Mock implementations of Spring's reactive server web API abstractions.
org.springframework.objenesis	Spring's repackaging of Objenesis 3.4 (with SpringObjenesis entry point; for internal use only).
org.springframework.orm	Root package for Spring's O/R Mapping integration classes.
org.springframework.orm.hibernate5	Package providing integration of Hibernate 5.x with Spring concepts.
org.springframework.orm.hibernate5.support	Classes supporting the org.springframework.orm.hibernate5 package.
org.springframework.orm.jpa	Package providing integration of JPA (Java Persistence API) with Spring concepts.
org.springframework.orm.jpa.persistenceunit	Internal support for managing JPA persistence units.
org.springframework.orm.jpa.support	Classes supporting the org.springframework.orm.jpa package.
org.springframework.orm.jpa.vendor	Support classes for adapting to specific JPA vendors.
org.springframework.oxm	Root package for Spring's O/X Mapping integration classes.
org.springframework.oxm.config	Provides an namespace handler for the Spring Object/XML namespace.
org.springframework.oxm.jaxb	Package providing integration of JAXB with Spring's O/X Mapping support.
org.springframework.oxm.jaxb.test
org.springframework.oxm.mime	Contains (un)marshallers optimized to store binary data in MIME attachments.
org.springframework.oxm.support	Provides generic support classes for using Spring's O/X Mapping integration within various scenario's.
org.springframework.oxm.xstream	Package providing integration of XStream with Spring's O/X Mapping support.
org.springframework.r2dbc	The classes in this package make R2DBC easier to use and reduce the likelihood of common errors.
org.springframework.r2dbc.connection	Provides a utility class for easy ConnectionFactory access, a ReactiveTransactionManager for a single ConnectionFactory, and various simple ConnectionFactory implementations.
org.springframework.r2dbc.connection.init	Provides extensible support for initializing databases through scripts.
org.springframework.r2dbc.connection.lookup	Provides a strategy for looking up R2DBC ConnectionFactories by name.
org.springframework.r2dbc.core	Core domain types around DatabaseClient.
org.springframework.r2dbc.core.binding	Classes providing an abstraction over SQL bind markers.
org.springframework.scheduling	General exceptions for Spring's scheduling support, independent of any specific scheduling system.
org.springframework.scheduling.annotation	Annotation support for asynchronous method execution.
org.springframework.scheduling.aspectj	AspectJ-based scheduling support.
org.springframework.scheduling.concurrent	Scheduling convenience classes for the java.util.concurrent and jakarta.enterprise.concurrent packages, allowing to set up a ThreadPoolExecutor or ScheduledThreadPoolExecutor as a bean in a Spring context.
org.springframework.scheduling.config	Support package for declarative scheduling configuration, with XML schema being the primary configuration format.
org.springframework.scheduling.quartz	Support classes for the open source scheduler Quartz, allowing to set up Quartz Schedulers, JobDetails and Triggers as beans in a Spring context.
org.springframework.scheduling.support	Generic support classes for scheduling.
org.springframework.scripting	Core interfaces for Spring's scripting support.
org.springframework.scripting.bsh	Package providing integration of BeanShell (and BeanShell2) into Spring's scripting infrastructure.
org.springframework.scripting.config	Support package for Spring's dynamic language machinery, with XML schema being the primary configuration format.
org.springframework.scripting.groovy	Package providing integration of Groovy into Spring's scripting infrastructure.
org.springframework.scripting.support	Support classes for Spring's scripting package.
org.springframework.stereotype	Annotations denoting the roles of types or methods in the overall architecture (at a conceptual, rather than implementation, level).
org.springframework.test.annotation	Support classes for annotation-driven tests.
org.springframework.test.context	This package contains the Spring TestContext Framework which provides annotation-driven unit and integration testing support that is agnostic of the actual testing framework in use.
org.springframework.test.context.aot	Ahead-of-time (AOT) support for the Spring TestContext Framework.
org.springframework.test.context.bean.override	Support case-by-case Bean overriding in Spring tests.
org.springframework.test.context.bean.override.convention	Bean override mechanism based on conventionally-named static methods in the test class.
org.springframework.test.context.bean.override.mockito	Bean overriding mechanism based on Mockito mocking and spying.
org.springframework.test.context.cache	Support for context caching within the Spring TestContext Framework.
org.springframework.test.context.event	Test event support classes for the Spring TestContext Framework.
org.springframework.test.context.event.annotation	Test execution event annotations for the Spring TestContext Framework.
org.springframework.test.context.jdbc	JDBC support classes for the Spring TestContext Framework, including support for declarative SQL script execution via @Sql.
org.springframework.test.context.junit.jupiter	Core support for integrating the Spring TestContext Framework with the JUnit Jupiter extension model in JUnit 5.
org.springframework.test.context.junit.jupiter.web	Web support for integrating the Spring TestContext Framework with the JUnit Jupiter extension model in JUnit 5.
org.springframework.test.context.junit4	Support classes for integrating the Spring TestContext Framework with JUnit 4.12 or higher.
org.springframework.test.context.junit4.rules	Custom JUnit 4 Rules used in the Spring TestContext Framework.
org.springframework.test.context.junit4.statements	Custom JUnit 4 Statements used in the Spring TestContext Framework.
org.springframework.test.context.support	Support classes for the Spring TestContext Framework.
org.springframework.test.context.testng	Support classes for integrating the Spring TestContext Framework with TestNG.
org.springframework.test.context.transaction	Transactional support classes for the Spring TestContext Framework.
org.springframework.test.context.util	Common utilities used within the Spring TestContext Framework.
org.springframework.test.context.web	Web support classes for the Spring TestContext Framework.
org.springframework.test.http	Test support for HTTP concepts.
org.springframework.test.jdbc	Support classes for tests based on JDBC.
org.springframework.test.json	Testing support for JSON.
org.springframework.test.util	General utility classes for use in unit and integration tests.
org.springframework.test.validation	Testing support for validation.
org.springframework.test.web	Helper classes for unit tests based on Spring's web support.
org.springframework.test.web.client	Contains client-side REST testing support.
org.springframework.test.web.client.match	Contains built-in RequestMatcher implementations.
org.springframework.test.web.client.response	Contains built-in ResponseCreator implementations.
org.springframework.test.web.reactive.server	Support for testing Spring WebFlux server endpoints via WebTestClient.
org.springframework.test.web.servlet	Contains server-side support for testing Spring MVC applications.
org.springframework.test.web.servlet.assertj	AssertJ support for MockMvc.
org.springframework.test.web.servlet.client	Support for testing Spring MVC applications via WebTestClient with MockMvc for server request handling.
org.springframework.test.web.servlet.htmlunit	Server-side support for testing Spring MVC applications with MockMvc and HtmlUnit.
org.springframework.test.web.servlet.htmlunit.webdriver	Server-side support for testing Spring MVC applications with MockMvc and the Selenium HtmlUnitDriver.
org.springframework.test.web.servlet.request	Contains built-in RequestBuilder implementations.
org.springframework.test.web.servlet.result	Contains built-in ResultMatcher and ResultHandler implementations.
org.springframework.test.web.servlet.setup	Contains built-in MockMvcBuilder implementations.
org.springframework.transaction	Spring's core transaction management APIs (independent of any specific transaction management system); an exception hierarchy for Spring's transaction infrastructure; and transaction manager, definition, and status interfaces.
org.springframework.transaction.annotation	Spring's support for annotation-based transaction demarcation.
org.springframework.transaction.aspectj	AspectJ-based transaction management support.
org.springframework.transaction.config	Support package for declarative transaction configuration, with XML schema being the primary configuration format.
org.springframework.transaction.event	Spring's support for listening to transaction events.
org.springframework.transaction.interceptor	AOP-based solution for declarative transaction demarcation.
org.springframework.transaction.jta	Transaction SPI implementation for JTA.
org.springframework.transaction.reactive	Support classes for reactive transaction management.
org.springframework.transaction.support	Support classes for the org.springframework.transaction package.
org.springframework.ui	Generic support for UI layer concepts.
org.springframework.ui.context	Contains classes defining the application context subinterface for UI applications.
org.springframework.ui.context.support	Classes supporting the org.springframework.ui.context package.
org.springframework.ui.freemarker	Support classes for setting up FreeMarker within a Spring application context.
org.springframework.util	Miscellaneous utility classes, such as utilities for working with strings, classes, collections, reflection, etc.
org.springframework.util.backoff	A generic back-off abstraction.
org.springframework.util.comparator	Useful generic java.util.Comparator implementations, such as an invertible comparator and a compound comparator.
org.springframework.util.concurrent	Useful generic java.util.concurrent.Future extensions.
org.springframework.util.function	Useful generic java.util.function helper classes.
org.springframework.util.unit	Useful unit data types.
org.springframework.util.xml	Miscellaneous utility classes for XML parsing and transformation, such as error handlers that log warnings via Commons Logging.
org.springframework.validation	Provides data binding and validation functionality, for usage in business and/or UI layers.
org.springframework.validation.annotation	Support classes for annotation-based constraint evaluation, for example, using a JSR-303 Bean Validation provider.
org.springframework.validation.beanvalidation	Support classes for integrating a JSR-303 Bean Validation provider (such as Hibernate Validator) into a Spring ApplicationContext and in particular with Spring's data binding and validation APIs.
org.springframework.validation.method	Abstractions and support classes for method validation, independent of the underlying validation library.
org.springframework.validation.support	Support classes for handling validation results.
org.springframework.web	Common, generic interfaces that define minimal boundary points between Spring's web infrastructure and other framework modules.
org.springframework.web.accept	This package contains classes used to determine the requested the media types in a request.
org.springframework.web.bind	Provides web-specific data binding functionality.
org.springframework.web.bind.annotation	Annotations for binding requests to controllers and handler methods as well as for binding request parameters to method arguments.
org.springframework.web.bind.support	Support classes for web data binding.
org.springframework.web.client	Core package of the client-side web support.
org.springframework.web.client.support	Classes supporting the org.springframework.web.client package.
org.springframework.web.context	Contains a variant of the application context interface for web applications, and the ContextLoaderListener that bootstraps a root web application context.
org.springframework.web.context.annotation	Provides convenience annotations for web scopes.
org.springframework.web.context.request	Support for generic request context holding, in particular for scoping of application objects per HTTP request or HTTP session.
org.springframework.web.context.request.async	Support for asynchronous request processing.
org.springframework.web.context.support	Classes supporting the org.springframework.web.context package, such as WebApplicationContext implementations and various utility classes.
org.springframework.web.cors	Support for CORS (Cross-Origin Resource Sharing), based on a common CorsProcessor strategy.
org.springframework.web.cors.reactive	Reactive support for CORS (Cross-Origin Resource Sharing), based on a common CorsProcessor strategy.
org.springframework.web.filter	Provides generic filter base classes allowing for bean-style configuration.
org.springframework.web.filter.reactive	WebFilter implementations for use in reactive web applications.
org.springframework.web.jsf	Support classes for integrating a JSF web layer with a Spring service layer which is hosted in a Spring root WebApplicationContext.
org.springframework.web.jsf.el	ELResolvers for integrating a JSF web layer with a Spring service layer which is hosted in a Spring root WebApplicationContext.
org.springframework.web.method	Common infrastructure for handler method processing, as used by Spring MVC's org.springframework.web.servlet.mvc.method package.
org.springframework.web.method.annotation	Support classes for annotation-based handler method processing.
org.springframework.web.method.support	Generic support classes for handler method processing.
org.springframework.web.multipart	Multipart resolution framework for handling file uploads.
org.springframework.web.multipart.support	Support classes for the multipart resolution framework.
org.springframework.web.reactive	Top-level package for the spring-webflux module that contains DispatcherHandler, the main entry point for WebFlux server endpoint processing including key contracts used to map requests to handlers, invoke them, and process the result.
org.springframework.web.reactive.accept	RequestedContentTypeResolver strategy and implementations to resolve the requested content type for a given request.
org.springframework.web.reactive.config	Spring WebFlux configuration infrastructure.
org.springframework.web.reactive.function	Provides a foundation for both the reactive client and server subpackages.
org.springframework.web.reactive.function.client	Provides a reactive WebClient that builds on top of the org.springframework.http.client.reactive reactive HTTP adapter layer.
org.springframework.web.reactive.function.client.support	Classes supporting the org.springframework.web.reactive.function.client package.
org.springframework.web.reactive.function.server	Provides the types that make up Spring's functional web framework for Reactive environments.
org.springframework.web.reactive.function.server.support	Classes supporting the org.springframework.web.reactive.function.server package.
org.springframework.web.reactive.handler	Provides HandlerMapping implementations including abstract base classes.
org.springframework.web.reactive.resource	Support classes for serving static resources.
org.springframework.web.reactive.result	Support for various programming model styles including the invocation of different types of handlers like an annotated controller or a simple WebHandler.
org.springframework.web.reactive.result.condition	RequestCondition and implementations for matching requests based on different criteria.
org.springframework.web.reactive.result.method	Infrastructure for handler method processing.
org.springframework.web.reactive.result.method.annotation	Infrastructure for annotation-based handler method processing.
org.springframework.web.reactive.result.view	Support for result handling through view resolution.
org.springframework.web.reactive.result.view.freemarker	Support classes for the integration of FreeMarker as Spring web view technology.
org.springframework.web.reactive.result.view.script	Support classes for views based on the JSR-223 script engine abstraction.
org.springframework.web.reactive.socket	Abstractions and support classes for reactive WebSocket interactions.
org.springframework.web.reactive.socket.adapter	Classes adapting Spring's Reactive WebSocket API to and from WebSocket runtimes.
org.springframework.web.reactive.socket.client	Client support for WebSocket interactions.
org.springframework.web.reactive.socket.server	Server support for WebSocket interactions.
org.springframework.web.reactive.socket.server.support	Server-side support classes for WebSocket requests.
org.springframework.web.reactive.socket.server.upgrade	Holds implementations of RequestUpgradeStrategy.
org.springframework.web.server	Core interfaces and classes for Spring's generic, reactive web support.
org.springframework.web.server.adapter	Implementations to adapt to the underlying org.springframework.http.client.reactive reactive HTTP adapter and HttpHandler.
org.springframework.web.server.handler	Provides common WebHandler implementations and a WebHandlerDecorator.
org.springframework.web.server.i18n	Locale related support classes.
org.springframework.web.server.session	Auxiliary interfaces and implementation classes for WebSession support.
org.springframework.web.service.annotation	Annotations for declaring HTTP service request methods.
org.springframework.web.service.invoker	Support for creating a client proxy for an HTTP service annotated with HttpExchange methods.
org.springframework.web.servlet	Provides servlets that integrate with the application context infrastructure, and the core interfaces and classes for the Spring web MVC framework.
org.springframework.web.servlet.config	Defines the XML configuration namespace for Spring MVC.
org.springframework.web.servlet.config.annotation	Annotation-based setup for Spring MVC.
org.springframework.web.servlet.function	Provides the types that make up Spring's functional web framework for Servlet environments.
org.springframework.web.servlet.function.support	Classes supporting the org.springframework.web.servlet.function package.
org.springframework.web.servlet.handler	Provides standard HandlerMapping implementations, including abstract base classes for custom implementations.
org.springframework.web.servlet.i18n	Locale support classes for Spring's web MVC framework.
org.springframework.web.servlet.mvc	Standard controller implementations for the Servlet MVC framework that comes with Spring.
org.springframework.web.servlet.mvc.annotation	Support package for annotation-based Servlet MVC controllers.
org.springframework.web.servlet.mvc.condition	Common MVC logic for matching incoming requests based on conditions.
org.springframework.web.servlet.mvc.method	Servlet-based infrastructure for handler method processing, building on the org.springframework.web.method package.
org.springframework.web.servlet.mvc.method.annotation	MVC infrastructure for annotation-based handler method processing, building on the org.springframework.web.method.annotation package.
org.springframework.web.servlet.mvc.support	Support package for MVC controllers.
org.springframework.web.servlet.resource	Support classes for serving static resources.
org.springframework.web.servlet.support	Support classes for Spring's web MVC framework.
org.springframework.web.servlet.tags	This package contains Spring's JSP standard tag library for JSP 2.0+.
org.springframework.web.servlet.tags.form	Spring's form tag library for JSP views in Spring's Web MVC framework.
org.springframework.web.servlet.theme	Theme support classes for Spring's web MVC framework.
org.springframework.web.servlet.view	Provides standard View and ViewResolver implementations, including abstract base classes for custom implementations.
org.springframework.web.servlet.view.document	Support classes for document generation, providing View implementations for PDF and Excel.
org.springframework.web.servlet.view.feed	Support classes for feed generation, providing View implementations for Atom and RSS.
org.springframework.web.servlet.view.freemarker	Support classes for the integration of FreeMarker as Spring web view technology.
org.springframework.web.servlet.view.groovy	Support classes for the integration of Groovy Templates as Spring web view technology.
org.springframework.web.servlet.view.json	Support classes for providing a View implementation based on JSON serialization.
org.springframework.web.servlet.view.script	Support classes for views based on the JSR-223 script engine abstraction.
org.springframework.web.servlet.view.xml	Support classes for providing a View implementation based on XML Marshalling.
org.springframework.web.servlet.view.xslt	Support classes for XSLT, providing a View implementation for XSLT stylesheets.
org.springframework.web.socket	Common abstractions and Spring configuration support for WebSocket applications.
org.springframework.web.socket.adapter	Classes adapting Spring's WebSocket API to and from WebSocket providers.
org.springframework.web.socket.adapter.jetty	Adapter classes for the Jetty WebSocket API.
org.springframework.web.socket.adapter.standard	Adapter classes for the standard Jakarta WebSocket API.
org.springframework.web.socket.client	Client-side abstractions for WebSocket applications.
org.springframework.web.socket.client.standard	Client-side classes for use with standard Jakarta WebSocket endpoints.
org.springframework.web.socket.config	Configuration support for WebSocket request handling.
org.springframework.web.socket.config.annotation	Support for annotation-based WebSocket setup in configuration classes.
org.springframework.web.socket.handler	Convenient WebSocketHandler implementations and decorators.
org.springframework.web.socket.messaging	WebSocket integration for Spring's messaging module.
org.springframework.web.socket.server	Server-side abstractions for WebSocket interactions.
org.springframework.web.socket.server.jetty	Server-side support for the Jetty WebSocket API.
org.springframework.web.socket.server.standard	Server-side classes for use with standard JSR-356 WebSocket endpoints.
org.springframework.web.socket.server.support	Server-side support classes including container-specific strategies for upgrading a request.
org.springframework.web.socket.sockjs	Top-level SockJS types.
org.springframework.web.socket.sockjs.client	SockJS client implementation of WebSocketClient.
org.springframework.web.socket.sockjs.frame	Support classes for creating SockJS frames including the encoding and decoding of SockJS message frames.
org.springframework.web.socket.sockjs.support	Support classes for SockJS including an AbstractSockJsService implementation.
org.springframework.web.socket.sockjs.transport	Server-side support for SockJS transports including TransportHandler implementations for processing incoming requests, their session counterparts for sending messages over the various transports, and DefaultSockJsService.
org.springframework.web.socket.sockjs.transport.handler	TransportHandler implementation classes as well as a concrete SockJsService.
org.springframework.web.socket.sockjs.transport.session	SockJS specific implementations of WebSocketSession.
org.springframework.web.util	Miscellaneous web utility classes, such as HTML escaping and cookie handling.
org.springframework.web.util.pattern	Dedicated support for matching HTTP request paths.