public static String getFullCellRefName(final Sheet sheet1,
			final Cell cell) {
		if ((sheet1 != null) && (cell != null)) {
			return sheet1.getSheetName() + "!$"
					+ getExcelColumnName(cell.getColumnIndex()) + "$"
					+ (cell.getRowIndex() + 1);
		}
		return null;
	}
public static String getFullCellRefName(final Sheet sheet1,
			final Cell cell) {
		if ((sheet1 != null) && (cell != null)) {
			return sheet1.getSheetName() + "!$"
					+ getExcelColumnName(cell.getColumnIndex()) + "$"
					+ (cell.getRowIndex() + 1);
		}
		return null;
	}
public static String getFullCellRefName ( final Sheet sheet1 , final Cell cell ) { if ( ( sheet1 != null ) && ( cell != null ) ) { return sheet1 . getSheetName ( ) + "!$" + getExcelColumnName ( cell . getColumnIndex ( ) ) + "$" + ( cell . getRowIndex ( ) + 1 ) ; } return null ; }
return full name for cell with sheet name and $ format e.g. Sheet1$A$1

@param sheet1
sheet
@param cell
cell
@return String full cell reference name
return full name for cell with sheet name and $ format e . g . Sheet1$A$1