Dependency injection is a very important design principle for working simply and at the same time with major security. It lets us write a very simple code to test. Java uses this principle since Java EE 5 through the CDI specifications.
The first Java frameworks to host this technology were the following:
- Seam: Firstly, it was a set of utilities to work better with web applications. Next, it was discontinued and integrated in the Java EE 5 specifications; now it represents the main standard that a developer must use.
- Spring: This was the first Java dependency injection framework born exclusively for complex Java applications. Now it is an evolved set of plugins where you can build anything through dependency ...
