How to write results to excel sheet

After successfully executing scripts, every one want to write results to excel sheet..here is the way to write results to excel sheet....

package test;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import jxl.Sheet;

import jxl.Workbook;

import jxl.write.Label;

import jxl.write.WritableSheet;

import jxl.write.WritableWorkbook;

import com.thoughtworks.selenium.*;

import org.openqa.selenium.server.*;

import org.testng.annotations.*;

public class Importexport1 {

public Selenium selenium;

public SeleniumServer seleniumserver;

@BeforeClass

public void setUp() throws Exception {

RemoteControlConfiguration rc = new RemoteControlConfiguration();

seleniumserver = new SeleniumServer(rc);

selenium = new DefaultSelenium("localhost", 4444, "*firefox", "http://");

seleniumserver.start();

selenium.start();

}

@Test

public void testImportexport1() throws Exception {

// Read data from excel sheet

FileInputStream fi = new FileInputStream(

"F:\\Framework\\testdata\\Login1_Credentials.xls");

Workbook w = Workbook.getWorkbook(fi);

Sheet s = w.getSheet(0);

String a[][] = new String[s.getRows()][s.getColumns()];

// Write the input data into another excel file

FileOutputStream fo = new FileOutputStream(

"F:\\Framework\\Results\\LoginResult1.xls");

WritableWorkbook wwb = Workbook.createWorkbook(fo);

WritableSheet ws = wwb.createSheet("loginresult1", 0);

selenium.open("http://www.gmail.com");

selenium.windowMaximize();

System.out.println("s.getRows() = " + s.getRows());

for (int i = 0; i < s.getRows(); i++) {

System.out.println("s.getColumns = " + s.getColumns());

for (int j = 0; j < s.getColumns(); j++) {

a[i][j] = s.getCell(j, i).getContents();

Label l = new Label(j, i, a[i][j]);

Label l1 = new Label(2, 0, "Result");

ws.addCell(l);

ws.addCell(l1);

}

}

for (int i = 1; i < s.getRows(); i++) {

selenium.type("Email", s.getCell(0, i).getContents());

selenium.type("Passwd", s.getCell(1, i).getContents());

selenium.click("signIn");

selenium.waitForPageToLoad("30000");

boolean aa = selenium.isTextPresent("The username or password you entered is incorrect. [?]");

System.out.println("the value of aa is::" + aa);

if (aa)

{

Label l3 = new Label(2, i, "fail");

ws.addCell(l3);

System.out.println("Login Failure");

Thread.sleep(10000);

} else {

Label l2 = new Label(2, i, "pass");

ws.addCell(l2);

selenium.click("link=Sign out");

Thread.sleep(10000);

}

}

wwb.write();

wwb.close();

}

@AfterClass

public void tearDown() throws Exception {

selenium.stop();

seleniumserver.stop();

}

}