package limq.hibernate.vo;import java.io.Serializable;import java.util.HashSet;import java.util.Set;/** * A class that represents a row in the 'teachers' table.  * This class may be customized as it is never re-generated  * after being created. */public class Teachers    extends AbstractTeachers    implements Serializable{    /**     * Simple constructor of Teachers instances.     */    public Teachers()    {    }    /**     * Constructor of Teachers instances given a simple primary key.     * @param id     */    public Teachers(java.lang.Integer id)    {        super(id);    }    /* Add customized code below */    private Set classes= new HashSet();    private Department department;    /**     * @return 返回 classes。     */    public Set getClasses() {        return classes;    }    /**     * @param classes 要設置的 classes。     */    public void setClasses(Set classes) {        this.classes = classes;    }    /**     * @return 返回 department。     */    public Department getDepartment() {        return department;    }    /**     * @param department 要設置的 department。     */    public void setDepartment(Department department) {        this.department = department;    }}