JSON → Java POJO

import java.util.List;

public class Address {

    private String street;
    private String city;
    private String zip;

    public Address() {}

    public Address(String street, String city, String zip) {
        this.street = street;
        this.city = city;
        this.zip = zip;
    }

    public String getStreet() {
        return street;
    }

    public void setStreet(String street) {
        this.street = street;
    }

    public String getCity() {
        return city;
    }

    public void setCity(String city) {
        this.city = city;
    }

    public String getZip() {
        return zip;
    }

    public void setZip(String zip) {
        this.zip = zip;
    }

}

public class Order {

    private int id;
    private double total;
    private List<String> items;

    public Order() {}

    public Order(int id, double total, List<String> items) {
        this.id = id;
        this.total = total;
        this.items = items;
    }

    public int getId() {
        return id;
    }

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

    public double getTotal() {
        return total;
    }

    public void setTotal(double total) {
        this.total = total;
    }

    public List<String> getItems() {
        return items;
    }

    public void setItems(List<String> items) {
        this.items = items;
    }

}

public class Root {

    private int id;
    private String name;
    private String email;
    private boolean active;
    private double score;
    private Address address;
    private List<String> tags;
    private List<Order> orders;
    private Object metadata;

    public Root() {}

    public Root(int id, String name, String email, boolean active, double score, Address address, List<String> tags, List<Order> orders, Object metadata) {
        this.id = id;
        this.name = name;
        this.email = email;
        this.active = active;
        this.score = score;
        this.address = address;
        this.tags = tags;
        this.orders = orders;
        this.metadata = metadata;
    }

    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 getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public boolean isActive() {
        return active;
    }

    public void setActive(boolean active) {
        this.active = active;
    }

    public double getScore() {
        return score;
    }

    public void setScore(double score) {
        this.score = score;
    }

    public Address getAddress() {
        return address;
    }

    public void setAddress(Address address) {
        this.address = address;
    }

    public List<String> getTags() {
        return tags;
    }

    public void setTags(List<String> tags) {
        this.tags = tags;
    }

    public List<Order> getOrders() {
        return orders;
    }

    public void setOrders(List<Order> orders) {
        this.orders = orders;
    }

    public Object getMetadata() {
        return metadata;
    }

    public void setMetadata(Object metadata) {
        this.metadata = metadata;
    }

}