Class Relation - Java

public class Relations {
    public static void main(String[] args) {
        Car car = new Car();

        // setting the attributes of the car
        car.setId(1);
        car.setBrand("Renault");
        car.setModel("Duster");

        // creating an object that is a list of owners
        List<Owner> ownerList= new ArrayList<>();

        // creating an owners object
        Owner owner1 = new Owner();
        Owner owner2 = new Owner();

        owner1.setId(35);
        owner1.setName("John");
        owner1.setLastName("Doe");

        owner2.setId(53);
        owner2.setName("Rick");
        owner2.setLastName("Rodriguez");

        // push the created objects to my object list
        ownerList.add(owner1);
        ownerList.add(owner2);

        // then I refer this list to the car class
        car.setOwnerList(ownerList);
        System.out.println("The car " +car.getBrand() + " is owned by: "
                + car.getOwnerList().toString());

        // output:
        // The car Renault is owned by: [Owner{id=35, name='John', lastName='Doe'}, Owner{id=53, name='Rick', lastName='Rodriguez'}]

    }
}

public class Car  {

    private int id;
    private String brand;
    private String model;

    // This is where we establish that this is a 1 to N=1 car relationship that includes multiple owners.
    private List<Owner> ownerList;

    public Car() {
    }

    public Car(int id, String brand, String model, List<Owner> ownerList) {
        this.id = id;
        this.brand = brand;
        this.model = model;
        this.ownerList = ownerList;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getBrand() {
        return brand;
    }

    public void setBrand(String brand) {
        this.brand = brand;
    }

    public String getModel() {
        return model;
    }

    public void setModel(String model) {
        this.model = model;
    }

    public List<Owner> getOwnerList() {
        return ownerList;
    }

    public void setOwnerList(List<Owner> ownerList) {
        this.ownerList = ownerList;
    }

    @Override
    public String toString() {
        return "Car{" +
                "id=" + id +
                ", brand='" + brand + '\'' +
                ", model='" + model + '\'' +
                ", ownerList=" + ownerList +
                '}';
    }
}

public class Owner {

    private int id;
    private String name;
    private String lastName;

    public Owner() {
    }

    public Owner(int id, String name, String lastName) {
        this.id = id;
        this.name = name;
        this.lastName = lastName;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    @Override
    public String toString() {
        return "Owner{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", lastName='" + lastName + '\'' +
                '}';
    }
}