Android : How to Create child Json Array from Parent Json Array

i have JSON array call "jsonArray".Most of the time this array got more than 15 elements. I want to create child JSON arrays which having 5 elements for each.. Any ideas??..

Here is my current coding..but this is not working.(compile erros )

                for (int i=0; i<jsonArray.length(); i++) {
                    jsonchildArray.put(jsonArray.getJSONObject(i));
                }

PS-im new to android. so please let me know where im wrong without giving -.