Example for selenium webdriver - with PrestaShop's free ecom

import java.util.concurrent.TimeUnit;

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


public class testPrestashopExample {


    public static void main(String[] args) {
        WebDriver myTestDriver = new FirefoxDriver();
        myTestDriver.manage().window().maximize();

        myTestDriver.manage().timeouts().implicitlyWait(20,TimeUnit.SECONDS);
        myTestDriver.get("http://demo-store.prestashop.com");


        myTestDriver.findElement(By.xpath("//*[@id='header']/div[2]/ul/li[3]/a")).click();




    try {
        for (int i = 1; i < 9; i++) {
            if(myTestDriver.findElement(By.xpath("//*[@id='product_list']/li["+i+"]/div[2]/h3/a")).getText().equals("iPhone 4S")){

                myTestDriver.findElement(By.xpath("//*[@id='product_list']/li["+i+"]/div[3]/a")).click();

            }
        }

    } catch (Exception e) {

    }


    }


    }