12 Reflection in a modular world
This chapter covers
- Opening packages and modules to reflection
- Combining modules and reflection
- Alternatives to the reflection API
- Analyzing and modifying module properties
If you’re working on a Java application, chances are good that you rely on Spring, Hibernate, JAXP, GSON, or the like. What are “the like”? Frameworks that use Java’s reflection API to inspect your code, search for annotations, instantiate objects, or call methods. Thanks to reflection, they can do all that without having to compile against your code.
Moreover, the reflection API allows frameworks to access nonpublic classes and nonpublic members. It has superpowers beyond what’s possible with compiled code, which bounces off of package boundaries ...
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