import java.io.File;
import java.io.IOException;
import jxl.*;
import jxl.read.biff.*;

public class ReadExcel {
    private String nazwapliku="zapis.xls";
       
     public void read() throws IOException  {
        File plik = new File(nazwapliku);
        Workbook w;
        try {
            w = Workbook.getWorkbook(plik);
            Sheet arkusz = w.getSheet(0);
            for (int j = 0; j < arkusz.getColumns(); j++) {
                for (int i = 0; i < arkusz.getRows(); i++) {
                    Cell komorka = arkusz.getCell(j, i);
                    if (komorka.getType() == CellType.LABEL) {
                        System.out.println("Znalazlem napis "
                                + komorka.getContents());
                    }

                    if (komorka.getType() == CellType.NUMBER) {
                        System.out.println("Znalazlem liczbe "
                                + komorka.getContents());
                    }

                }
            }
        } catch (BiffException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws IOException {
        ReadExcel program= new ReadExcel();
        program.read();
    }
}