Lombok i jego wspaniałości - https://theaner.pl/lombok-i-jego-wspanialosci/

Pearson.java

//Bez lomboka
public final class Pearson {
    private final String firstName;
    private final String secondName;
    private final String species = "Human";

    public Pearson(String firstName, String secondName) {
        this.firstName = firstName;
        this.secondName = secondName;
    }

    public String getFirstName() {return this.firstName;}
    public String getSecondName() {return this.secondName;}
    public String getSpecies() {return this.species;}

    //equals, hashCode i toString
}

//Z lombokiem
@Value public class Pearson {
    String firstName;
    String secondName;
    String species = "Human";
}