How to find out broken links in Selenium Webdriver using java?.

More HTTP Status Code

 import java.io.IOException;  
 import java.net.HttpURLConnection;  
 import java.net.MalformedURLException;  
 import java.net.URL;  
 import java.util.List;  
 import java.util.concurrent.TimeUnit;  
 import org.openqa.selenium.*;  
 import org.openqa.selenium.firefox.FirefoxDriver;  
 public class Brokenlinks {  
   private static int statusCode;  
   public static void main(String[] args) throws IOException {  
     // Initialize web driver   
     WebDriver driver = new FirefoxDriver();  
     //Maximize browser window  
     driver.manage().window().maximize();  
     //Go to URL   
     driver.get("http://www.google.com");  
     //Set timeout   
   driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);  
 // Get all links web driver  
  List<WebElement> links = driver.findElements(By.tagName("a"));  
     for (int i = 0; i < links.size(); i++) {  
 //remove null and empty links  
 if (!(links.get(i).getAttribute("href") == null) && !(links.get(i).getAttribute("href").equals(""))) {  
  if (links.get(i).getAttribute("href").contains("http")) {  
  // Find HTTP Status-Code  
 statusCode= getResponseCode(links.get(i).getAttribute("href").trim());  
 // Check broken link  
 if (statusCode== 404) {  
 System.out.println("Broken of Link# "+i+" "+links.get(i).getAttribute("href"));  
           }  
         }  
       }  
     }  
     driver.close();  
   }  
 public static int getResponseCode(String urlString) throws MalformedURLException, IOException {      
     URL u = new URL(urlString);  
     HttpURLConnection huc = (HttpURLConnection) u.openConnection();  
     huc.setRequestMethod("GET");  
     huc.connect();  
     return huc.getResponseCode();  
  }  
 }