JSONArray ja = new JSONArray();

        ja.put("11");

        ja.put("22");

        ja.put("33");

        JSONArray ja2 = new JSONArray();

        ja2.put("aa");

        ja2.put("bb");

        ja.put(ja2);

        System.out.println(ja.toString());

//	jsonarray	这个代表集合  左右两边[]

//				["11","22","33",["aa","bb"]]

        JSONObject jsonObject = new JSONObject();

        try {

			jsonObject.put("aaa", "111");

	        jsonObject.put("bbb", "222");

	        jsonObject.put("ccc", "333");

	        jsonObject.put("ddd", "444");

		} catch (JSONException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

        System.out.println(jsonObject.toString());

//		jsonObject就是中间有个:号,然后左右两边是{}

//      {"ddd":"444","ccc":"333","bbb":"222","aaa":"111"}