What is Lombok?

Lombok is a Java library that removes boilerplate code — getters, setters, constructors, equals/hashCode, toString, and more — by generating it automatically at compile time from simple annotations, rather than you writing it by hand.

import lombok.Getter;
import lombok.Setter;

public class Person {
    @Getter @Setter
    private String name;

    @Getter @Setter
    private int age;
}

Behind the scenes, Lombok plugs into the Java compiler as an annotation processor: it reads your source file, generates the missing methods directly into the compiled bytecode, and your IDE (with the Lombok plugin installed) shows those generated methods as if they were written normally. The source file itself never actually contains the generated code — it's added during compilation.

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