一个个学呗,还能怎么来?
https://spring.io/projects/spring-frameworkCore technologies: dependency injection, events, resources, i18n, validation, data binding, type conversion, SpEL, AOP.
Testing: mock objects, TestContext framework, Spring MVC Test, WebTestClient.
Data Access: transactions, DAO support, JDBC, ORM, Marshalling XML.
Spring MVC and Spring WebFlux web frameworks.
Integration: remoting, JMS, JCA, JMX, email, tasks, scheduling, cache.
Languages: Kotlin, Groovy, dynamic languages.