package com.tarena.shoppingcar.entity;import java.io.Serializable;import java.util.Set;public class Order implements Serializable {	private static final long serialVersionUID = 9191776944637902746L;	private int id;	private Set<Item> items;	private User user;	private double cost;	private String oid;	public String getOid() {		return oid;	}	public void setOid(String oid) {		this.oid = oid;	}	public double getCost() {		return cost;	}	public void setCost(double cost) {		this.cost = cost;	}	public int getId() {		return id;	}	public Set<Item> getItems() {		return items;	}	public void setItems(Set<Item> items) {		this.items = items;	}	public User getUser() {		return user;	}	public void setUser(User user) {		this.user = user;	}	public void setId(int id) {		this.id = id;	}	}