RayDoyle的专栏

Double productAmount = 12345.1221;Double returnPrecent = 0.02313;NumberFormat objFormat =new DecimalFormat("#.##");System.out.println(objFormat.format(returnPrecent * 100).toString() + "%");Sy...

Timestamp startTime=Timestamp.valueOf(map.get("startTime").toString());Timestamp endTime=Timestamp.valueOf(map.get("endTime").toString());int buyDays = (int) (startTime.getTime() - endTime.getTime...

stem.out.println(objFormat.format(returnPrecent * productAmount));

())/(24 * 60 * 60 * 1000);