spring-boot 2.4.3 API

Packages 
Package Description
org.springframework.boot
Core Spring Boot classes.
org.springframework.boot.admin
Administration support for Spring Boot applications.
org.springframework.boot.ansi
Support classes to provide ANSI color output.
org.springframework.boot.availability
Support for describing the availability of Spring Boot applications.
org.springframework.boot.builder
Fluent 'builder' style API to construct a SpringApplication.
org.springframework.boot.cloud
Low level support for Cloud deployments.
org.springframework.boot.context
Classes related to Spring's ApplicationContext.
org.springframework.boot.context.annotation
Classes related to Spring's ApplicationContext annotations.
org.springframework.boot.context.config
External configuration support allowing 'application.properties' to be loaded and used within a Spring Boot application.
org.springframework.boot.context.event
ApplicationEvents triggered by Spring Boot.
org.springframework.boot.context.logging
Logging integration with Spring's Application Context.
org.springframework.boot.context.metrics.buffering
ApplicationStartup implementation for buffering steps and measuring their processing time.
org.springframework.boot.context.properties
Support for external configuration properties.
org.springframework.boot.context.properties.bind
Support for @ConfigurationProperties binding.
org.springframework.boot.context.properties.bind.handler
General BindHandler implementations.
org.springframework.boot.context.properties.bind.validation
Binding validation support.
org.springframework.boot.context.properties.source
Sources for external configuration properties.
org.springframework.boot.convert
Support for type conversion.
org.springframework.boot.diagnostics
Support for failure analysis and reporting.
org.springframework.boot.diagnostics.analyzer
Internal FailureAnalyzer implementations.
org.springframework.boot.env
Spring Environment support.
org.springframework.boot.info
Support for providing information about an application.
org.springframework.boot.jackson
Custom enhancements and support for the Jackson project.
org.springframework.boot.jdbc
Support for Java Database Connectivity (JDBC).
org.springframework.boot.jdbc.metadata
Support for accessing JDBC DataSource metadata.
org.springframework.boot.jms
Support for Java Message Service (JMS).
org.springframework.boot.json
Support for parsing JSON.
org.springframework.boot.jta.atomikos
Support classes for Atomikos JTA.
org.springframework.boot.jta.bitronix
Support classes for Bitronix JTA.
org.springframework.boot.liquibase
Custom support for Liquibase database migration.
org.springframework.boot.logging
Support and abstractions across several logging libraries.
org.springframework.boot.logging.java
Support for 'Java Util Logging'.
org.springframework.boot.logging.log4j2
Support for the Log4j 2 logging library.
org.springframework.boot.logging.logback
Support for the Logback logging library.
org.springframework.boot.origin
Support for item origin tracking.
org.springframework.boot.orm.jpa
JPA Support classes.
org.springframework.boot.orm.jpa.hibernate
Hibernate Support classes.
org.springframework.boot.reactor
Support classes for Reactor integration.
org.springframework.boot.rsocket.context
RSocket integrations with Spring Framework's ApplicationContext.
org.springframework.boot.rsocket.messaging
Support for RSocket-based messaging.
org.springframework.boot.rsocket.netty
Reactor Netty based RSocket server implementation.
org.springframework.boot.rsocket.server
Support for RSocket servers.
org.springframework.boot.security.reactive
Classes and utilities for reactive Spring Security.
org.springframework.boot.security.servlet
Classes and utilities for Servlet-based Spring Security.
org.springframework.boot.system
General system support classes.
org.springframework.boot.task
Utilities and classes related to task execution and scheduling.
org.springframework.boot.type.classreading
Support classes for reading annotation and class-level metadata.
org.springframework.boot.util
Contains miscellaneous utility classes.
org.springframework.boot.validation
Utilities and classes related to validation.
org.springframework.boot.validation.beanvalidation
Utilities and classes related to bean validation.
org.springframework.boot.web.client
Web client utilities.
org.springframework.boot.web.codec
Support for web-based codecs.
org.springframework.boot.web.context
Web integrations with Spring's ApplicationContext.
org.springframework.boot.web.embedded.jetty
Embedded reactive and servlet web server implementations backed by Jetty.
org.springframework.boot.web.embedded.netty
Embedded reactive web server implementation backed by Netty.
org.springframework.boot.web.embedded.tomcat
Embedded reactive and servlet web server implementations backed by Tomcat.
org.springframework.boot.web.embedded.undertow
Embedded reactive and servlet web server implementations backed by Undertow.
org.springframework.boot.web.error
Spring Web error handling infrastructure.
org.springframework.boot.web.reactive.context
Reactive based web integrations with Spring's ApplicationContext.
org.springframework.boot.web.reactive.error
Spring WebFlux error handling infrastructure.
org.springframework.boot.web.reactive.filter
Spring Boot specific WebFilter implementations.
org.springframework.boot.web.reactive.function.client
Spring WebFlux WebClient support abstractions.
org.springframework.boot.web.reactive.result.view
Additional Views for use with WebFlux.
org.springframework.boot.web.reactive.server
Reactive web server abstractions.
org.springframework.boot.web.server
Support for embedded web servers.
org.springframework.boot.web.servlet
Classes and utilities designed to work with the `javax.servlet` specification.
org.springframework.boot.web.servlet.context
Servlet based web integrations with Spring's WebApplicationContext.
org.springframework.boot.web.servlet.error
Spring MVC error handling infrastructure.
org.springframework.boot.web.servlet.filter
Spring Boot specific Filter implementations.
org.springframework.boot.web.servlet.server
Servlet web server abstractions.
org.springframework.boot.web.servlet.support
Support classes for Servlet-based web servers.
org.springframework.boot.web.servlet.view
Additional Views for use with Web MVC.
org.springframework.boot.webservices.client
Web Services client utilities.