title: The method sendKeys(String) is undefined for the type List<WebElement>
body: <pre><code>FirefoxDriver driver = new FirefoxDriver(options);
  
  driver.get("https://www.facebook.com/");
  
  //driver.manage().window().maximize();
  
  driver.findElements(By.xpath("/html/body/div[3]/div[2]/div[1]/div/div/div/div/div[2]/div[2]/div/div/div/div[1]/form/div[1]/div[1]/div[1]/div[1]/div/div[1]/input")).sendKeys("Test Selenium");
  </code></pre>
  
  <p>This is my coding. I am getting an error for <code>sendKeys()</code>.</p>
  
  <p>I am using:</p>
  
  <ul>
  <li>windows 8 (64 bit)</li>
  <li>java  jdk 1.8</li>
  <li>selenium 3.4.0</li>
  <li>Firefox 53.0.2 (64 bit)</li>
  </ul>
  
  <p>what should I do?</p>