List<Object>转换为JSONArray二

package com.beijxing.TestMain;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;

import com.beijxing.entity.Student;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

/**
 * List<Object>转换为JSONArray
 * @author ywp
 * @version 2016年10月23日21:36:08
 */
public class TestJson1 {
    public static void main(String[] args) {
        createJSONArray();
    }
    public static void createJSONArray(){
        Student student = new Student();
        student.setId(1);
        student.setName("杨文培");
        student.setSex("男");
        //student.setAge(23);
        student.setBirthday("1993-01-23");
        List<String> list = new ArrayList<String>();
        list.add("篮球");
        list.add("乒乓球");
        list.add("羽毛球");
        student.setHobby(list);
        
        Student student2 = new Student();
        student2.setId(1);
        student2.setName("杨文培");
        student2.setSex("男");
        student.setAge(23);
        student2.setBirthday("1993-01-23");
        List<String> list2 = new ArrayList<String>();
        list2.add("篮球");
        list2.add("乒乓球");
        list2.add("羽毛球");
        student2.setHobby(list2);
        
        List<Student> list3 = new ArrayList<Student>();
        list3.add(student);
        list3.add(student2);
        JSONArray jsonArray = JSONArray.fromObject(list3);
        System.out.println("jsonArray="+jsonArray);
        
        JSONArray new_jsonArray = JSONArray.fromObject(jsonArray.toArray());
        //迭代器迭代
        Collection<JSONObject> collection = JSONArray.toCollection(new_jsonArray);
        if(collection!=null&&!collection.isEmpty()){
            Iterator<JSONObject> iterator = collection.iterator();
            while(iterator.hasNext()){
                JSONObject jsonObject = JSONObject.fromObject(iterator.next());
                Student student4 = (Student) jsonObject.toBean(jsonObject,Student.class);
                System.out.println(student4);
            }
        }
        //foreach方式迭代
/*        for (Object object : new_jsonArray) {
            JSONObject jsonObject = (JSONObject) object;
            Student student3 = (Student) jsonObject.toBean(jsonObject,Student.class);
            System.out.println(student3);
        }*/
    }
}