Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.Iterator; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFDataFormat; 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.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.xssf.eventusermodel.XSSFReader; import org.apache.poi.xssf.model.SharedStringsTable; import org.apache.poi.xssf.usermodel.XSSFRichTextString; import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.ss.usermodel.*; import org.xml.sax.Attributes; import org.xml.sax.ContentHandler; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; import org.xml.sax.helpers.DefaultHandler; import org.xml.sax.helpers.XMLReaderFactory; /** * * @author scottnumamoto */ public class Main3 { /** * @param args the command line arguments */ public static void main(String[] args) throws FileNotFoundException, IOException { HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream("columA.xls")); HSSFSheet sheet = wb.getSheetAt(1); removeRow(sheet, 3); for (int i = 3; i < 4000; i++) { HSSFRow origRow = sheet.getRow(i); if (rowIsEmpty(origRow)) { System.out.println(i); //removeRow(sheet, i); } } FileOutputStream out = new FileOutputStream("okay4.xls"); wb.write(out); out.close(); } public static void removeRow(HSSFSheet sheet, int rowIndex) { int lastRowNum = sheet.getLastRowNum(); if (rowIndex >= 0 && rowIndex < lastRowNum) { sheet.shiftRows(rowIndex + 1, lastRowNum, -1); } if (rowIndex == lastRowNum) { HSSFRow removingRow = sheet.getRow(rowIndex); if (removingRow != null) { sheet.removeRow(removingRow); } } } private static void transferRow(HSSFRow rowA, HSSFRow rowB) { for (int c = 0; c < 9; c++) { HSSFCell cell1 = rowA.createCell(c); if (rowB.getCell(c) != null) { String replacement = rowB.getCell(c).getStringCellValue(); System.out.println(replacement); cell1.setCellValue(replacement); } } } private static boolean rowIsEmpty(HSSFRow row) { if (row == null) return true; for (int c = 1; c < 9; c++) { HSSFCell cell = row.getCell(c); if (cell != null) { if (cell.getStringCellValue().length() > 0) return false; } } return true; } }