import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import java.io.*;

public class Sample14_2{
  public static void main(String[] args){
    Workbook wb = new HSSFWorkbook();
    Sheet sheet = wb.createSheet();

    CellStyle style = wb.createCellStyle();
    style.setFillPattern(CellStyle.SOLID_FOREGROUND);
    style.setFillForegroundColor(IndexedColors.AQUA.getIndex());

    for (int i = 0 ; i < 5000 ; i++){
      Row row = sheet.createRow(i);
      Cell cell = row.createCell(1);
      cell.setCellValue("Test");

      cell.setCellStyle(style);
    }

    FileOutputStream out = null;
    try{
      out = new FileOutputStream("sample14_2.xls");
      wb.write(out);
    }catch(IOException e){
      System.out.println(e.toString());
    }finally{
      try {
        out.close();
      }catch(IOException e){
        System.out.println(e.toString());
      }
    }
  }
}