@Deprecated
    public static void mergeJSONObject(final JSONObject source, JSONObject dest) {
        try {
            JSONUtils.mergeJSONObject(source, dest);
        } catch (Exception ex) {
            SALog.printStackTrace(ex);
        }
    }
@Test
    public void mergeJSONObject() {
        JSONObject source = new JSONObject();
        JSONObject dest = new JSONObject();
        try {
            source.put("s1", "s1");
            source.put("s2", "s2");
            source.put("s3", "s3");
            JSONUtils.mergeJSONObject(source, dest);
            Assert.assertEquals(3, dest.length());
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }