I Want To Convert DATE in dd/mm/yyyy in Android

String responseDate = "/Date(1478344216260)/";

Calendar calendar = Calendar.getInstance();

String ripOffStr = responseDate.replace("/Date(", "").replace(")/", "");

Long timeInMillis = Long.valueOf(ripOffStr);

calendar.setTimeInMillis(timeInMillis);

System.out.println(calendar.getTime().toGMTString());