Switch tabs using Selenium WebDriver with Java

Question

Using Selenium WebDriver with JAVA. I am trying to automate a functionality where I have to open a new tab do some operations there and come back to previous tab (Parent). I

Answer 1

public class TabBrowserDemo {

public static void main(String[] args) throws InterruptedException {
    System.out.println("Main Started");
    System.setProperty("webdriver.gecko.driver", "driver//geckodriver.exe");
    WebDriver driver = new FirefoxDriver();
    driver.get("https://www.irctc.co.in/eticketing/userSignUp.jsf");
    driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

    driver.findElement(By.xpath("//a[text()='Flights']")).click();
    waitForLoad(driver);
    Set ids = driver.getWindowHandles();
    Iterator iterator = ids.iterator();
    String parentID = iterator.next();
    System.out.println("Parent WIn id " + parentID);
    String childID = iterator.next();
    System.out.println("child win id " + childID);

    driver.switchTo().window(childID);
    List hyperlinks = driver.findElements(By.xpath("//a"));

    System.out.println("Total links in tabbed browser " + hyperlinks.size());

    Thread.sleep(3000);
//  driver.close();
    driver.switchTo().window(parentID);
    List hyperlinksOfParent = driver.findElements(By.xpath("//a"));

    System.out.println("Total links " + hyperlinksOfParent.size());

}

public static void waitForLoad(WebDriver driver) {
    ExpectedCondition pageLoadCondition = new
            ExpectedCondition() {
                public Boolean apply(WebDriver driver) {
                    return ((JavascriptExecutor)driver).executeScript("return document.readyState").equals("complete");
                }
            };
    WebDriverWait wait = new WebDriverWait(driver, 30);
    wait.until(pageLoadCondition);
}