JSON a Clase Java

import java.util.List;

public class Root {
    private String name;
    private Long age;
    private Boolean active;
    private Double score;
    private Address address;
    private List<Object> skills;

    public String getName() { return name; }
    public void setName(String name) { this.name = name; }
    public Long getAge() { return age; }
    public void setAge(Long age) { this.age = age; }
    public Boolean getActive() { 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<Object> getSkills() { return skills; }
    public void setSkills(List<Object> skills) { this.skills = skills; }
}

public class Address {
    private String city;
    private String zip;

    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; }
}