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