1. String to Date 형변환 String sDate = "2011/04/25 13:50"; Date newDate = new SimpleDateFormat("yyyyMMddHHmm").parse(sDate); 2. 날짜 비교 String sDate_1 = "2011/04/15 11:50"; String sDate_2 = "2011/04/25 13:50"; Date newDate_1 = new SimpleDateFormat("yyyyMMddHHmm").parse(sDate_1); Date newDate_2 = new SimpleDateFormat("yyyyMMddHHmm").parse(sDate_2); long ldiff = newDate_2.getTime() - newDate_1.getTime..