package limq.hibernate.vo;import java.io.Serializable;/** * A class that represents a row in the 'contact' table.  * This class may be customized as it is never re-generated  * after being created. */public class Contact    extends AbstractContact    implements Serializable{    /**     * Simple constructor of Contact instances.     */    public Contact()    {    }    /**     * Constructor of Contact instances given a simple primary key.     * @param id     */    public Contact(java.lang.Integer id)    {        super(id);    }    /* Add customized code below */    private Students student;    /**     * @return 返回 student。     */    public Students getStudent() {        return student;    }    /**     * @param student 要設置的 student。     */    public void setStudent(Students student) {        this.student = student;    }}