Your own @Annotation processor
summary
Explains how to build a simple annotation processor that actually generates Java source files at compile time using the Java Annotation Processing API, shows the concrete use of Filer to write files and the Element/Type inspection to find annotated symbols, demonstrates compile-time validation rules and emits clear errors, and proves the approach by generating working code that reduces boilerplate and prevents a class of runtime bugs.
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chapters (5)
- 0:00Introduction to annotation processors
- 4:14Why use annotation processors
- 7:50How annotation processors work
- 17:40Key requirements for processors
- 25:17Next steps and resources
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