How Lombok Works. Lombok acts as an annotation processor that “adds” code to your classes at compile time. ... The idea is that users can put annotation processors (written by oneself, or via third-party dependencies, like Lombok) into the build classpath.

What are Lombok annotations?

What is Lombok. Project Lombok (from now on, Lombok) is an annotation-based Java library that allows you to reduce boilerplate code. Lombok offers various annotations aimed at replacing Java code that is well known for being boilerplate, repetitive, or tedious to write.

Is Lombok an annotation processor?

With javac (and netbeans, maven, gradle, and most other build systems), lombok runs as an annotation processor.