Broken Links

How can we find broken links using selenium

                        
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.time.Duration;
import java.util.List;
import java.util.stream.Collectors;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

public class BrokenLinks {

    public static void main(String[] args) throws IOException {
        
        WebDriver driver = new ChromeDriver();
        driver.manage().window().maximize();
        driver.manage().timeouts().implicitlyWait(Duration.ofSeconds(10));
        driver.get("https://bstackdemo.com/");
        List<WebElement> aTags = driver.findElements(By.tagName("a"));
        List<String> links = aTags.stream().map(e -> e.getAttribute("href")).collect(Collectors.toList());
        /*
         * for(String link: links) { verifyLink(link); }
         */
        links.stream().forEach(link -> {
            try {
                verifyLink(link);
            } catch (IOException e1) {
                // TODO Auto-generated catch block
                e1.printStackTrace();
            }
        });
        driver.quit();
    }
    
    public static void verifyLink(String link) throws IOException {
        URL url = new URL(link);
        HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
        httpURLConnection.setConnectTimeout(3000);
        httpURLConnection.connect();
        
        if(httpURLConnection.getResponseCode() == 200) {
            System.out.println(url +" - "+httpURLConnection.getResponseMessage());
        }else {
            System.out.println(url+" - "+httpURLConnection.getResponseMessage()+" is a broken link.");
        }
        
    }

}