List<Object> to JSONArray一

 package com.beijxing.TestMain;

 import java.util.ArrayList;
 import java.util.List;

 import com.beijxing.entity.Student;

 import net.sf.json.JSONArray;

 /**
  * 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);
     }
 }