public class Student {private String name;  private String gender;  private String address;  public String getName() {  return name;  }  public void setName(String name) {  this.name = name;  }  public String getGender() {  return gender;  }  public void setGender(String gender) {  this.gender = gender;  }  public String getAddress() {  return address;  }  public void setAddress(String address) {  this.address = address;  }
}

Class类：

public class Class {private String classNum;  private String className;  private String way;  private Student student;private List<Student> students;  public String getClassNum() {  return classNum;  }  public void setClassNum(String classNum) {  this.classNum = classNum;  }  public String getClassName() {  return className;  }  public void setClassName(String className) {  this.className = className;  }  public String getWay() {  return way;  }  public void setWay(String way) {  this.way = way;  }  public List<Student> getStudents() {  return students;  }  public void setStudents(List<Student> students) {  this.students = students;  }public Student getStudent() {return student;}public void setStudent(Student student) {this.student = student;}  }

序列化和反序列化过程：

public static void main(String[] args){Student st = new Student();st.setAddress("上海");st.setName("wanda");st.setGender("男");Student st1 = new Student();st1.setAddress("北京");st1.setName("youku");st1.setGender("女");Class cl = new Class();cl.setClassName("高三二班");cl.setClassNum("2334");cl.setStudent(st);List<Student> list = new ArrayList<Student>(); list.add(st);list.add(st1);cl.setStudents(list);// *************JSONObject对实体类进行序列化和反序列化********************************// 实体类的序列化：首先对实体类进行序列化成json格式数据，再转化为字符串，该字符串一般会发给前端/其他项目JSONObject job = JSONObject.fromObject(cl);String res = job.toString();System.out.println(res);// 实体类的反序列化：首先将json格式字符串转换为JSONObject对象JSONObject js = JSONObject.fromObject(res);// 再将JSONObject对象转换为实体类格式Class ne = (Class) JSONObject.toBean(js, Class.class);// 检测一下System.out.println(ne.getStudents().toString());// *************JSONArray对集合进行序列化和反序列化********************************// 对集合进行序列化：首先对集合进行序列化成JSONArray格式数据，再转化为字符串JSONArray ja = JSONArray.fromObject(list);String liststr = ja.toString();System.out.println(liststr);// 反序列化：如果集合存储的是bean类，需要指定class属性JSONArray ss = JSONArray.fromObject(liststr);Student[] s = (Student[]) JSONArray.toArray(ss, Student.class);System.out.println(s.toString());}