Lombok api - Java Training School

In java, we need to write a lot of boilerplate code like getters/setters method, toString methd, constructors etc. The solution to reduce repititive code is lombok api. Add below dependency in your pom.xml

<dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.20</version>
        <scope>provided</scope>
</dependency>

Getters/ setters and no-arg constructor using lombok

To generate getters and setters, add below annotations

@Entity
@Getter @Setter @NoArgsConstructor // <--- THIS is it
public class User implements Serializable {

    private @Id Long id; // will be set when persisting

    private String firstName;
    private String lastName;
    private int age;

    public User(String firstName, String lastName, int age) {
        this.firstName = firstName;
        this.lastName = lastName;
        this.age = age;
    }
}

Constructors with arguments

@RequiredArgsConstructor
@Accessors(fluent = true) @Getter
public class Scientist {

    private final @NonNull int id;

    private final @NonNull String name;
    private final @NonNull String field;
    

}