reading excel sheet in java

reading excel sheet in java

can anyone tell me a proper java code to read excel sheet using poi

View Answers

September 4, 2012 at 12:21 PM

Here is a java code that reads an excel file using POI api and display the data on the console.

import java.io.*;
import java.util.*;
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;

public class ReadExcel {

        public static void main(String[] args) {

                String fileName = "c:/data.xls";
                 Vector cellVectorHolder = new Vector();

                try {
                        FileInputStream myInput = new FileInputStream(fileName);

                        POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);

                        HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);

                        HSSFSheet mySheet = myWorkBook.getSheetAt(0);

                        Iterator rowIter = mySheet.rowIterator();

                        while (rowIter.hasNext()) {
                                HSSFRow myRow = (HSSFRow) rowIter.next();
                                Iterator cellIter = myRow.cellIterator();
                                Vector cellStoreVector = new Vector();
                                while (cellIter.hasNext()) {
                                        HSSFCell myCell = (HSSFCell) cellIter.next();
                                        cellStoreVector.addElement(myCell);
                                }
                                cellVectorHolder.addElement(cellStoreVector);
                        }

                for (int i = 0; i < cellVectorHolder.size(); i++) {
                        Vector cellStoreVector = (Vector) cellVectorHolder.elementAt(i);
                        for (int j = 0; j < cellStoreVector.size(); j++) {
                                HSSFCell myCell = (HSSFCell) cellStoreVector.elementAt(j);
                                String stringCellValue = myCell.toString();
                                System.out.print(stringCellValue + "\t");
                        }
                        System.out.println();
                }
                 } catch (Exception e) {
                        e.printStackTrace();
                }
        }      
}

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