Sample beers class

Beers.java

package demo.demo.demo21;

import javax.persistence.*;
import java.util.Objects;

@Entity
public class Beer {

    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private long id;

    private String name;
    private String model;
    private double quantity;
    private double abv;
    private String style;
    private String country;
    private String color;
    private String pictureUrl;

    @Lob
    private String description;

    public Beer() {
    }

    private Beer(String name, String model, double quantity, double abv, String style, String country, String color, String pictureUrl, String description) {
        this.name = name;
        this.model = model;
        this.quantity = quantity;
        this.abv = abv;
        this.style = style;
        this.country = country;
        this.color = color;
        this.pictureUrl = pictureUrl;
        this.description = description;
    }

    @Override
    public String toString() {
        return "Beer{" +
                "id='" + id + '\'' +
                "name='" + name + '\'' +
                ", model='" + model + '\'' +
                ", quantity=" + quantity +
                ", abv=" + abv +
                ", style='" + style + '\'' +
                ", country='" + country + '\'' +
                ", color='" + color + '\'' +
                ", pictureUrl='" + pictureUrl + '\'' +
                ", description='" + description + '\'' +
                '}';
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Beer beer = (Beer) o;
        return Double.compare(beer.quantity, quantity) == 0 &&
                Double.compare(beer.abv, abv) == 0 &&
                beer.id == id &&
                Objects.equals(name, beer.name) &&
                Objects.equals(model, beer.model) &&
                Objects.equals(style, beer.style) &&
                Objects.equals(country, beer.country) &&
                Objects.equals(color, beer.color) &&
                Objects.equals(pictureUrl, beer.pictureUrl) &&
                Objects.equals(description, beer.description);
    }

    @Override
    public int hashCode() {
        return Objects.hash(id, name, model, quantity, abv, style, country, color, pictureUrl, description);
    }

    public String getName() {
        return name;
    }

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

    public String getModel() {
        return model;
    }

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

    public double getQuantity() {
        return quantity;
    }

    public void setQuantity(double quantity) {
        this.quantity = quantity;
    }

    public double getAbv() {
        return abv;
    }

    public void setAbv(double abv) {
        this.abv = abv;
    }

    public String getStyle() {
        return style;
    }

    public void setStyle(String style) {
        this.style = style;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public String getColor() {
        return color;
    }

    public void setColor(String color) {
        this.color = color;
    }

    public String getPictureUrl() {
        return pictureUrl;
    }

    public void setPictureUrl(String pictureUrl) {
        this.pictureUrl = pictureUrl;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public long getId() {
        return id;
    }

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

    public static class Builder {
        private String name;
        private String model;
        private double quantity;
        private double abv;
        private String style;
        private String country;
        private String color;
        private String pictureUrl;
        private String description;

        public Builder name(String name) {
            this.name = name;
            return this;
        }

        public Builder model(String model) {
            this.model = model;
            return this;
        }

        public Builder quantity(double quantity) {
            this.quantity = quantity;
            return this;
        }

        public Builder abv(double abv) {
            this.abv = abv;
            return this;
        }

        public Builder style(String style) {
            this.style = style;
            return this;
        }

        public Builder country(String country) {
            this.country = country;
            return this;
        }

        public Builder color(String color) {
            this.color = color;
            return this;
        }

        public Builder pictureUrl(String pictureUrl) {
            this.pictureUrl = pictureUrl;
            return this;
        }

        public Builder description(String description) {
            this.description = description;
            return this;
        }

        public Beer createBeer() {
            return new Beer(name, model, quantity, abv, style, country, color, pictureUrl, description);
        }
    }
}