Introducing Jakarta EE CDI

Contexts and Dependency Injection for Enterprise Java Development

By: Luqman Saeed

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eText | 12 February 2020

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Discover the Jakarta EE Contexts and Dependency Injection (CDI 2.0) framework which helps you write better code through the use of well-defined enterprise Java-based components and beans (EJBs). If you have ever wanted to write clean Java EE code, this short book is your best guide for doing so: you will pick up valuable tips along the way from your author's years of experience teaching and coding. Introducing Jakarta EE CDI covers CDI 2.0 in detail and equips you with the theoretical underpinnings of Java EE, now Jakarta EE.

This book is packed with so much that by the end of it, you will feel confident to use your new-found knowledge to help you write better, readable, maintainable, and long-lived mission-critical software.

What You Will Learn

Write better code with the Jakarta EE Contexts and Dependency Injection (CDI) framework

Work with the powerful, extensible, and well-defined contextual life cycle for components

Use CDI's mechanism for decoupling application components through a typesafe event API

Build typesafe interceptors for altering the behaviour of components at runtime

Harness the well-defined qualifier system for easy isolation of beans

Convert almost any valid Java type to a CDI managed bean with CDI's producer mechanism

Who This Book Is For

Experienced enterprise Java, Java EE, or J2EE developers who may be new to CDI or dependency injection.