Handling Bootstrap Dropdowns in Selenium

package com.qa.TestCase;

import java.util.List;
import java.util.concurrent.TimeUnit;
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;
import org.testng.annotations.Test;

import io.github.bonigarcia.wdm.WebDriverManager;

public class HandleBootStrapDropDownUsingStreams 
{
    public static WebDriver driver;

    @Test
    public void bootStrap() throws InterruptedException
    {
        WebDriverManager.chromedriver().setup();
        driver = new ChromeDriver();
        driver.manage().window().maximize();
        driver.manage().deleteAllCookies();

        driver.manage().timeouts().pageLoadTimeout(30, TimeUnit.SECONDS);
        driver.manage().timeouts().implicitlyWait(15, TimeUnit.SECONDS);

        driver.get("https://www.jquery-az.com/boots/demo.php?ex=63.0_2");

        driver.findElement(By.xpath("//button[@class='multiselect dropdown-toggle btn btn-default']")).click();

        By bootStrapDropDown = By.xpath("//ul[contains(@class,'multiselect-container')]//li//a//label");

        HandleBootStrapDropDownUsingStreams.printBootStrapDropDownValues(bootStrapDropDown);

        HandleBootStrapDropDownUsingStreams.selectValueFromBootStrapDropDown(bootStrapDropDown, "HTML");
        HandleBootStrapDropDownUsingStreams.selectValueFromBootStrapDropDown(bootStrapDropDown, "CSS");
        HandleBootStrapDropDownUsingStreams.selectValueFromBootStrapDropDown(bootStrapDropDown, "Angular");

    }

    //Function to Select a Value from BootStrap Drop Down using Streams.
    public static void selectValueFromBootStrapDropDown(By locator, String value)
    {
        List<WebElement> dropDownValues = driver.findElements(locator);
        dropDownValues.stream().filter(values -> values.getText().matches(value)).forEach(values -> values.click());
    }

    //Function to Print BootStrap Drop Down Values using Streams.
    public static void printBootStrapDropDownValues(By locator)
    {
        List<WebElement> dropDownValues = driver.findElements(locator);
        dropDownValues.stream().map(values -> values.getText()).collect(Collectors.toList()).forEach(values -> System.out.println(values));
    }
}