private static String getCellValueForMerginRegion(Cell cell) {                int rowIdx=cell.getRowIndex();        Sheet sheet=cell.getSheet();        int mergedRegions=sheet.getNumMergedRegions();        for (int i = 0; i < mergedRegions; i++) {            CellRangeAddress cellRangeAddress=sheet.getMergedRegion(i);                        if (cellRangeAddress.getLastColumn()==0) {                int firstRowIdx=cellRangeAddress.getFirstRow();                int lastRowIdx=cellRangeAddress.getLastRow();                if (rowIdx<=lastRowIdx&&rowIdx>=firstRowIdx) {                    String cellValue = null;                    for (int j = firstRowIdx; j <=lastRowIdx; j++) {                        cellValue=getCellValue(sheet.getRow(j).getCell(0));                        if (cellValue.trim().length()==0) {                            System.out.println("firstRowIdx:"+firstRowIdx+",lastRowIdx:"+lastRowIdx+":"+cellValue);                            continue;                        }                        break;                    }                                        return cellValue;                }            }                                }                        return null;    }