DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0// DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> DOCTYPE hibernate-mapping P
           
        
        DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//                                 DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">                                                                                                                        DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">                                                    public class Classes implements Serializable {    private Long cid;    private String name;    private String description;    private Set students;    public Long getCid() {        return cid;    }    public void setCid(Long cid) {        this.cid = cid;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public String getDescription() {        return description;    }    public void setDescription(String description) {        this.description = description;    }    public Set getStudents() {        return students;    }    public void setStudents(Set students) {        this.students = students;    }}public class Student implements Serializable{    private Long sid;    private String name;    private String description;    public Long getSid() {        return sid;    }    public void setSid(Long sid) {        this.sid = sid;    }    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public String getDescription() {        return description;    }    public void setDescription(String description) {        this.description = description;    }}
一对多单向--------映射文件