driver.get("http://www.w3schools.com/");
String firstWindow = driver.getWindowHandle();
System.out.println(firstWindow);
driver.findElement(By.xpath("/html/body/div[3]/div[1]/a[1]")).click();
driver.findElement(By.tagName("body")).sendKeys(Keys.CONTROL, "t");
driver.get("http://www.tutorialspoint.com");
driver.findElement(
By.xpath("/html/body/div[2]/header/div[2]/div/nav/ul/li[1]/a"))
.click();
driver.findElement(By.tagName("body")).sendKeys(Keys.CONTROL, "1");
driver.switchTo().window(firstWindow);
Thread.sleep(5000);
driver.findElement(By.linkText("REFERENCES")).click();