import org.json.simple.JSONArray;

import org.json.simple.JSONObject;

import org.json.simple.parser.JSONParser;

import org.json.simple.parser.ParseException;

public class test1 {

    /**

     * @param <JSONObject>

     * @param args

     */

    public static  void main(String[] args) {

        // TODO Auto-generated method stub

        //将json对象转换为字符串

        JSONObject obj=new JSONObject();

        obj.put("ooo", "***");

        obj.put("ppp", "###");

        JSONObject object=new JSONObject();

        object.put("aaa", "123");

        object.put("bbb", "456");

        object.put("ccc", obj);

        System.out.println(object);

        //将json数组对象转换为字符串

        JSONArray  arry=new JSONArray();

        JSONObject object1=new JSONObject();

        object1.put("aaa", "123");

        object1.put("bbb", "456");

        JSONObject object2=new JSONObject();

        object2.put("ccc", "123");

        object2.put("ddd", "456");

        arry.add(object1);

        arry.add(object2);

        System.out.println(arry.toJSONString());

        //将字符串转换为JSON对象

        String strJson ="{\"aaa\":\"111\",\"bbb\":\"222\",\"ccc\":\"333\",\"ddd\":\"444\"}";

        JSONParser parser=new JSONParser();

        try {

            JSONObject onject3=(JSONObject) parser.parse(strJson);

            System.out.println(onject3.toJSONString());

        } catch (ParseException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

        //将字符串转换为JSON数组对象

         String jsonStr1 = "[{\"aaa\":\"111\",\"bbb\":\"222\"},{\"aaa\":\"111\",\"bbb\":\"222\"}]";

            try {

                JSONArray parseObject = (JSONArray)parser.parse(jsonStr1);

                System.out.println( parseObject.toJSONString());

            } catch (ParseException e) {

                e.printStackTrace();

            }  

    }

}