Contexts and Dependency Injection (CDI)

Jakarta Contexts and Dependency Injection (CDI) is a standard specification for dependency injection and context management in Java enterprise applications. It provides a type-safe mechanism for injecting dependencies, managing object lifecycles through extensible contexts, and supporting…

Key facts

First appeared: 2009
Category: technology
Problem solved: CDI solves the problem of managing dependencies and object lifecycles in Java EE applications without verbose XML configuration, unifying disparate component models like EJB and JSF managed beans into a single, type-safe programming model with support for loose coupling via injection, events, and interceptors.
Platforms: Java SE (CDI 2.0+), Jakarta EE

Related technologies

Quarkus
Jakarta Servlets
Payara
Jakarta Server Faces
WildFly
Jakarta Persistence
Jakarta EE

Notable users

Payara Services
Eclipse Foundation
Red Hat (WildFly/JBoss)
Quarkus.io