I am getting an date in an cell in excel sheet having extension .xls that i am reading through POI in java for HSSF sheet i have the below cross check that is working fine
if (HSSFDateUtil.isCellDateFormatted(row.getCell(0))) {
}
Now please advise i am getting few sheets having extension .xlsx please advise how can i implement the above method to read date value from acell in XSSF sheet