@OneToMany(mappedBy = "Users") 

@OneToMany
@JoinTable(name = "id")

@Entity
@Table(name="Contact")
public class Contact implements Serializable{
	
	private Integer idContact;
	
	private User User;
		
	private String value;
		
	private ContactType type;
	
	//setters and getters
	@Id
	@GeneratedValue(generator = "increment")
	@GenericGenerator(name = "increment", strategy = "increment")
	@Column(name = "idUser")
	public Integer getIdContact() {
		return idContact;
	}
	public void setIdContact(Integer idContact) {
		this.idContact = idContact;
	}
	@ManyToOne
	@JoinColumn(name="idUser")
	public User getUser() {
		return User;
	}
	public void setUser(User User) {
		this.User = User;
	}
	@Column(name = "value")
	public String getValue() {
		return value;
	}
	public void setValue(String value) {
		this.value = value;
	}
	@Column(name = "type")
	public ContactType getType() {
		return type;
	}
	public void setType(ContactType type) {
		this.type = type;
	}
	//
	
}

@Entity
@Table(name = "Users")
public class User implements Serializable {

	private Integer idUser;
	private String login;
	private String password;
	private String address;
	private Boolean canPrint;
	private List<Contact> contactList;
	private List<Order> orderList;
	private List<UserTemplate> userTemplateList;
	//constructor
	public User(){
		
	}
	
	//get
	@Id
	@GeneratedValue(generator = "increment")
	@GenericGenerator(name = "increment", strategy = "increment")
	@Column(name = "idUser")
	public Integer getUserId() {
		return idUser;
	}

	@Column(name = "login")
	public String getLogin() {
		return login;
	}
	@Column(name = "canPritn")
	public Boolean getCanPrint() {
		return canPrint;
	}

	@OneToMany(mappedBy = "Users")
	public List<Contact> getContactList() {
		return contactList;
	}
	@Column(name = "password")
	public String getPassword() {
		return password;
	}

	@Column(name = "address")
	public String getAddress() {
		return address;
	}
	
	@Column(name = "canPrint")
	public Boolean isCanPrint() {
		return canPrint;
	}
	
	@OneToMany(mappedBy = "Users")
	public List<Order> getOrderList() {
		return orderList;
	}
	
	@OneToMany(mappedBy = "Users")
	public List<UserTemplate> getUserTemplateList() {
		return userTemplateList;
	}
//set
	public void setCanPrint(boolean canPrint) {
		this.canPrint = canPrint;
	}

	public void setCanPrint(Boolean canPrint) {
		this.canPrint = canPrint;
	}

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

	public void setPassword(String password) {
		this.password = password;
	}

	public void setContactList(List<Contact> contactList) {
		this.contactList = contactList;
	}

	public void setLogin(String login) {
		this.login = login;
	}
	public void setId(Integer id) {
		this.idUser = id;
	}

	public void setOrderList(List<Order> orderList) {
		this.orderList = orderList;
	}
	public void setIdUser(Integer idUser) {
		this.idUser = idUser;
	}