Selenium

driver.get("https://www.example.com");

driver.quit();

driver.close();

Alert alert = driver.switchTo().alert();

// Used to click on the ‘OK’ button of the alert.
alert.accept();

// Used when the ‘Cancel’ button is clicked in the alert box.
alert.dismiss();

// Used to send text to an alert
alert.sendKeys("text");

// Used to capture the alert message.
alert().getText();

Actions actions = new Actions(driver);

// Shifts the mouse pointer to the center of the element and click on it
actions.moveToElement(element).click().build().perform();

// Performs double click on the element
actions.doubleClick(element).perform();

// Drags the element from one point and drops to another
actions.dragAndDrop(source, target).perform();

// Sends a series of keys to the element
actions.sendKeys(element, "text").perform();

// Get the page title
driver.getTitle();

// Get the current page URL
driver.getCurrentUrl();

// Get the entire page source code
driver.getPageSource();

// Explicit Wait :- These are conditional waits can be applied to satisfy a particular condition
WebDriverWait wait = new WebDriverWait(driver, 10);
wait.until(ExpectedConditions.elementToBeClickable(element));

// Implicit Wait :- Once the command is run, Implicit Wait remains for the entire duration for which the browser is open.
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);

// Fluent Wait :- Fluent Wait in Selenium marks the maximum amount of time for Selenium WebDriver to wait for a certain condition (web element) becomes visible. It also defines how frequently WebDriver will check if the condition appears before throwing the “ElementNotVisibleException”.
FluentWait wait = new FluentWait(driver);
//Specify the timeout of the wait
wait.withTimeout(5000, TimeUnit.MILLISECONDS);
//Specify polling time
wait.pollingEvery(250, TimeUnit.MILLISECONDS);
//Specify what exceptions to ignore
wait.ignoring(NoSuchElementException.class)
//This is how we specify the condition to wait on.
wait.until(ExpectedConditions.alertIsPresent());