Selenium : Read Webtable

Read Web-table

Code Here :

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

public class test_table {

 public static void main(String[] args) throws InterruptedException {
  WebDriver driver=new FirefoxDriver();
  driver.get("http://www.w3schools.com/html/html_tables.asp");
  String s="";
   
  
  int i,j;
  for( i=1;i<=5;i++){
   for( j=1;j<=4;j++)
   {
    System.out.println(i+" ,"+ j);
    if (i==1)
     s=s+" "+driver.findElement(By.xpath("//table[@class='reference']//tr["+i+"]//th["+j+"]")).getText(); 
    else
     s=s+" "+driver.findElement(By.xpath("//table[@class='reference']//tr["+i+"]//td["+j+"]")).getText();
   }
  s=s+"\n";
  }
  
  System.out.println(s);
 }

}