Facebook frinds name print using java script to scroll down

mport java.util.List;

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


public class facebook_friends {

public static void main(String[] args) throws InterruptedException {

System.setProperty("webdriver.chrome.driver", "D:\\Selenium\\Driver\\chromedriver.exe");
WebDriver driver = new ChromeDriver();

driver.get("https://www.facebook.com/");

driver.manage().window().maximize();

driver.findElement(By.xpath("//input[@type='email']")).sendKeys("xxxx@gmail.com");
driver.findElement(By.xpath("//input[@type='password']")).sendKeys("xxxxx");

driver.findElement(By.xpath("//input[@value='Log In']")).click();

Thread.sleep(5000);

driver.findElement(By.xpath("//a[@class='fbxWelcomeBoxName']")).click();

Thread.sleep(5000);

driver.findElement(By.xpath("//a[@data-tab-key='friends']")).click();

String h = driver.findElement(By.xpath("/html/body/div[1]/div[2]/div[1]/div/div[2]/div[2]/div[2]/div/div[1]/div/div[3]/div/div[2]/div[2]/div/a[3]/span[1]")).getText();
int count = Integer.valueOf(h);
System.out.println(count);
int y=0;
String url = driver.getCurrentUrl();
driver.navigate().to(url);
while(count > y){


((JavascriptExecutor) driver)
.executeScript("window.scrollTo(0, document.body.scrollHeight)");

Thread.sleep(5000);

List<WebElement> element = driver.findElements(By.xpath("//li[@class='_698']/div/div/div[2]/div/div[2]/div/a"));
Thread.sleep(5000);

y = element.size();
System.out.println(y);
}

List<WebElement> element2 = driver.findElements(By.xpath("//li[@class='_698']/div/div/div[2]/div/div[2]/div/a"));

System.out.println(element2.size());

for(int k=0;k<element2.size();k++){
System.out.println(element2.get(k).getText());
}
}

}