Selenium practice

package test.java;

import static org.junit.Assert.*;

import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;

public class Demo {

    private WebDriver driver;
    String url = "http://the-internet.herokuapp.com";

    @Before
    public void setup() {
        String driverPath = "D:\\Favorites\\Documents\\Programming\\Java\\eclipse-workspace\\chromedriver.exe";
        System.setProperty("webdriver.chrome.driver", driverPath);
        driver = new ChromeDriver();
        driver.get(url);
    }

    @Test
    public void test() throws InterruptedException {
        //Wait until page title is available and retrieve it, then print it
        String pageTitle = "";
        do {
            pageTitle = driver.getTitle();
            Thread.sleep(10);
        } while (pageTitle == "");
        System.out.println("Page title: " + pageTitle);

        //Click on "Form Authentication"
        driver.findElement(By.linkText("Form Authentication")).click();

        //Wait until page header is available and retrieve it, then print it
        String headerString = "";
        do {
            headerString = driver.findElement(By.tagName("h2")).getText();
            Thread.sleep(10);
        } while (headerString == "");
        System.out.println(headerString);

        //Enter credentials and click "login"
        driver.findElement(By.id("username")).sendKeys("tomsmith");
        driver.findElement(By.id("password")).sendKeys("SuperSecretPassword!");
        driver.findElement(By.xpath("//button[@type='submit]")).click();

        //Wait until page header says "You logged into a secure area!", then print "Login Successful"
        String successString = "";
        do {
            successString = driver.findElement(By.id("flash")).getText();
            Thread.sleep(10);
        } while (successString != "You logged into a secure area!");
        System.out.println("Login Successful");
    }

    @After
    public void after() {
        //Close the browser
        driver.close();
    }

    @AfterClass
    public static void afterClass() {
        System.out.println("Inside after class method.");
    }
}