Chapter 3. Dependency Injection
This chapter covers
- Inversion of Control (IoC) and Dependency Injection (DI)
- Why DI is an important technique to master
- How JSR-330 united DI for Java
- Common JSR-330 annotations such as @Inject
- Guice 3, the reference implementation (RI) for JSR-330
Dependency Injection (a form of Inversion of Control) is an important programming paradigm that has become part of mainstream Java development since about 2004. In short, DI is a technique in which your object gets its dependencies given to it, as opposed to having to construct them itself. There are many benefits to using DI—it makes your codebase loosely coupled, easier to test, and easier to read.
This chapter begins by cementing your knowledge of DI theory ...
Get The Well-Grounded Java Developer now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
