import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.ArrayList;


public class ExcelConverterTest {

    public ExcelConverterTest () {
    }

    public static void main (String [] args) {
        String inpFileName = args[0];

        System.out.println("Started...");
        try {
            ExcelConverterTest converter = new ExcelConverterTest();
            
            FileInputStream ipStream = new FileInputStream(inpFileName);
            POIFSFileSystem fileSystem = new POIFSFileSystem(ipStream);
            HSSFWorkbook workBook = new HSSFWorkbook(fileSystem);
            HSSFSheet singleSheet = workBook.getSheetAt(0);
            
            System.out.println("last row = "+singleSheet.getLastRowNum());
            HSSFRow row = singleSheet.getRow(0);
            System.out.println("last column = "+row.getLastCellNum());

            ipStream.close();
        }
        catch (Exception e) {
            System.out.println("Encountered exception with message - "+e.getMessage());
        }
    }
}