issue while executing CNN_Specfic_Links2 from module 14

import java.util.List;
import java.util.concurrent.TimeUnit;

import org.apache.http.client.fluent.Request;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;

public class CNN_Specfic_Links2 {
static WebDriver driver ;
public static void main(String[] args) {
//getResponseCode("http://soapuitutorial.com");

System.setProperty(FirefoxDriver.SystemProperty.BROWSER_LOGFILE, "null");

driver = new FirefoxDriver();
// implicit wait - dynamic wait
// applicable to all driver.findElement commands
driver.manage().timeouts().implicitlyWait(20, TimeUnit.SECONDS);
driver.manage().window().maximize();
//driver.get("http://cnn.com");
driver.navigate().to("http://cnn.com");// remember browser history
String part1="//*[@id='intl_homepage1-zone-1']/div[2]/div/div[3]/ul/li[";
String part2="]/article/div/div/h3/a";
//isElementPresent("//a[@id='xyz']","xpath");
//for(int i=2;i<=9;i++){

int i=2;
while(isElementPresent(part1+i+part2, "xpath")){
String text = driver.findElement(By.xpath(part1+i+part2)).getText();
System.out.println(text);
// get response code
String url=driver.findElement(By.xpath(part1+i+part2)).getAttribute("href");
if(getResponseCode(url)){
driver.findElement(By.xpath(part1+i+part2)).click();
// response code
System.out.println(driver.getTitle());
driver.navigate().back();// back button
}else{
// report a failure
}
i++;
}

}
// true - present
// false - not present
public static boolean isElementPresent(String locator, String locatorType){
List<WebElement> allElements=null;
if(locatorType.equals("xpath"))
allElements = driver.findElements(By.xpath(locator));
else if(locatorType.equals("cssSelector"))
allElements = driver.findElements(By.cssSelector(locator));
else if(locatorType.equals("id"))
allElements = driver.findElements(By.id(locator));
else if(locatorType.equals("name"))
allElements = driver.findElements(By.name(locator));

if(allElements.size()==0)
return false;
else
return true;
}

public static boolean getResponseCode(String url){
int resp_code=0;
try {
resp_code = Request.Get(url).execute().returnResponse().getStatusLine().getStatusCode();
System.out.println("Respose code for URL "+ url +" is -> "+ resp_code);

} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

if(resp_code==200)
return true;
else
return false;
}

}

I am getting compilation issue on  " Request.Get(url).execute().returnResponse().getStatusLine().getStatusCode();"

I have followed all the steps one by one given in module but fail to solve this compilation issue. Please help me.I am attaching the screen shot of it too.