How to Select Last option in drop down using selenium ?

public class selectLastOption{

    public static void main(String[] args) {
        WebDriver driver;
        System.setProperty("webdriver.chrome.driver", "F:\\chromedriver\\chromedriver_latest\\chromedriver.exe");
        driver = new ChromeDriver();
        driver.manage().window().maximize();

        WebElement e=d.findElement(By.id("selecttype"));

        Select s=new Select(e);

        List<WebElement> eles=s.getOptions();

        int lastIndex=eles.size()-1;

        s.selectByVisibleText(eles.get(lastIndex).getText());

}

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