Mastering Selenium: 50 Essential Syntax-Based Interview Questions and Answers.

Here are 50 syntax-related questions and answers for a Selenium interview:

Q1: How do you launch a Chrome browser using Selenium WebDriver in Java?

A1:

System.setProperty("webdriver.chrome.driver", "path/to/chromedriver");

WebDriver driver = new ChromeDriver();

Q2: How do you find an element by its ID using Selenium WebDriver in Java?

A2:WebElement element = driver.findElement(By.id("elementId"));

Q3: How do you enter text into a text field using Selenium WebDriver in Java?

A3:

element.sendKeys("Text to enter");

Q4: How do you click on an element using Selenium WebDriver in Java?

A4:

element.click();

Q5: How do you get the text of an element using Selenium WebDriver in Java?

A5:

String elementText = element.getText();

Q6: How do you wait for an element to be visible using Selenium WebDriver in Java?

A6:

WebDriverWait wait = new WebDriverWait(driver, 10);

WebElement element = wait.until(ExpectedConditions.visibilityOfElementLocated(By.id("elementId")));

Q7: How do you switch to an iframe using Selenium WebDriver in Java?

A7:

driver.switchTo().frame("iframeName");

Q8: How do you switch back to the default content from an iframe using Selenium WebDriver in Java?

A8:

driver.switchTo().defaultContent();

Q9: How do you maximize the browser window using Selenium WebDriver in Java?

A9:

driver.manage().window().maximize();

Q10: How do you close the browser window using Selenium WebDriver in Java?

A10:driver.close();

Q11: How do you quit the browser session using Selenium WebDriver in Java?

A11:driver.quit();

Q12: How do you capture a screenshot using Selenium WebDriver in Java?

A12:

File screenshotFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);

Q13: How do you perform a mouse hover action using Selenium WebDriver in Java?

A13:

Actions actions = new Actions(driver);

actions.moveToElement(element).perform();

Q14: How do you perform a right-click action using Selenium WebDriver in Java?

A14:

Actions actions = new Actions(driver);

actions.contextClick(element).perform();

Q15: How do you perform a double-click action using Selenium WebDriver in Java?

A15:

Actions actions = new Actions(driver);

actions.doubleClick(element).perform();

Q16: How do you simulate pressing the Enter key using Selenium WebDriver in Java?

A16:

element.sendKeys(Keys.ENTER);

Q17: How do you retrieve the value of an attribute of an element using Selenium WebDriver in Java?

A17:

String attributeValue = element.getAttribute("attributeName");

Q18: How do you select an option from a dropdown menu using Selenium WebDriver in Java?

A18:

Select dropdown = new Select(element);

dropdown.selectByVisibleText("optionText");

Q19: How do you get the current URL of the page using Selenium WebDriver in Java?

A19:

String currentUrl = driver.getCurrentUrl();

Q20: How do you navigate to a specific URL using Selenium WebDriver in Java?

A20:

driver.navigate().to("https://example.com");

Q21: How do you refresh the current page using Selenium WebDriver in Java?

A21:

driver.navigate().refresh();

Q22: How do you retrieve the title of the page using Selenium WebDriver in Java?

A22:

String pageTitle = driver.getTitle();

Q23: How do you retrieve the CSS value of an element using Selenium WebDriver in Java?

A23:

String cssValue = element.getCssValue("propertyName");

Q24: How do you handle a JavaScript alert using Selenium WebDriver in Java?

A24:

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

alert.accept(); // To accept the alert

alert.dismiss(); // To dismiss the alert

Q25: How do you perform keyboard actions using Selenium WebDriver in Java?

A25:

Actions actions = new Actions(driver);

actions.sendKeys(Keys.TAB).perform(); // Example: Pressing the TAB key

Q26: How do you retrieve the number of rows in a table using Selenium WebDriver in Java?

A26:

List<WebElement> rows = driver.findElements(By.xpath("//table//tr"));

int rowCount = rows.size();

Q27: How do you retrieve the number of columns in a table using Selenium WebDriver in Java?

A27:

List<WebElement> columns = driver.findElements(By.xpath("//table//tr[1]/th|td"));

int columnCount = columns.size();

Q28: How do you scroll to a specific element using Selenium WebDriver in Java?

A28:

JavascriptExecutor js = (JavascriptExecutor) driver;

js.executeScript("arguments[0].scrollIntoView(true);", element);

Q29: How do you execute JavaScript code using Selenium WebDriver in Java?

A29:

JavascriptExecutor js = (JavascriptExecutor) driver;

js.executeScript("alert('Hello, World!');");

Q30: How do you handle multiple browser windows or tabs using Selenium WebDriver in Java?

A30:

String mainWindowHandle = driver.getWindowHandle();

Set<String> windowHandles = driver.getWindowHandles();

for (String handle : windowHandles) {

    if (!handle.equals(mainWindowHandle)) {

        driver.switchTo().window(handle);

        // Perform actions on the new window

        driver.close(); // Close the new window/tab

        driver.switchTo().window(mainWindowHandle); // Switch back to the main window

    }

}

Q31: How do you verify if an element is displayed on the page using Selenium WebDriver in Java?

A31:

boolean isDisplayed = element.isDisplayed();

Q32: How do you verify if an element is enabled on the page using Selenium WebDriver in Java?

A32:

boolean isEnabled = element.isEnabled();

Q33: How do you verify if a checkbox is selected using Selenium WebDriver in Java?

A33:

boolean isSelected = checkbox.isSelected();

Q34: How do you perform a drag and drop action using Selenium WebDriver in Java?

A34:

Actions actions = new Actions(driver);

actions.dragAndDrop(sourceElement, targetElement).perform();

Q35: How do you simulate pressing the arrow keys using Selenium WebDriver in Java?

A35:

element.sendKeys(Keys.ARROW_DOWN); // Example: Pressing the DOWN arrow key

Q36: How do you handle cookies using Selenium WebDriver in Java?

A36:

// To retrieve all cookies

Set<Cookie> cookies = driver.manage().getCookies();

// To add a new cookie

Cookie cookie = new Cookie("name", "value");

driver.manage().addCookie(cookie);

// To delete a cookie

driver.manage().deleteCookie(cookie);

// To delete all cookies

driver.manage().deleteAllCookies();

```

Q37: How do you simulate pressing the Page Down key using Selenium WebDriver in Java?

A37:

element.sendKeys(Keys.PAGE_DOWN);

Q38: How do you simulate pressing the Escape key using Selenium WebDriver in Java?

A38:

element.sendKeys(Keys.ESCAPE);

Q39: How do you handle frames using Selenium WebDriver in Java?

A39:

driver.switchTo().frame(frameElement); // Switch to a frame using the frame element

driver.switchTo().frame(frameIndex); // Switch to a frame using the frame index

driver.switchTo().frame(frameNameOrId); // Switch to a frame using the frame name or ID

driver.switchTo().defaultContent(); // Switch back to the default content

Q40: How do you handle a dropdown without using the Select class in Selenium WebDriver?

A40:

```java

List<WebElement> options = driver.findElements(By.xpath("//select[@id='dropdownId']/option"));

for (WebElement option : options) {

    if (option.getText().equals("OptionText")) {

        option.click();

        break;

    }

}

```

Q41: How do you perform a scroll to the bottom of the page using Selenium WebDriver in Java?

A41:

JavascriptExecutor js = (JavascriptExecutor) driver;

js.executeScript("window.scrollTo(0, document.body.scrollHeight);");

Q42: How do you simulate pressing the Backspace key using Selenium WebDriver in Java?

A42:element.sendKeys(Keys.BACK_SPACE);

Q43: How do you handle a dropdown with multiple select options using Selenium WebDriver in Java?

A43:

Select dropdown = new Select(element);

dropdown.selectByVisibleText("Option1");

dropdown.selectByVisibleText("Option2");

Q44: How do you verify if an element is present on the page using Selenium WebDriver in Java?

A44:

boolean isPresent = driver.findElements(By.id("elementId")).size() > 0;

Q45: How do you retrieve the text of an alert using Selenium WebDriver in Java?

A45:

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

String alertText = alert.getText();

Q46: How do you handle a file upload using Selenium WebDriver in Java?

A46:

WebElement fileInput = driver.findElement(By.id("fileInputId"));

fileInput.sendKeys("path/to/file.txt");

Q47: How do you retrieve the value of a text field using Selenium WebDriver in Java?

A47:

String textFieldValue = textField.getAttribute("value");

Q48: How do you handle a radio button using Selenium WebDriver in Java?

A48:

WebElement radioButton = driver.findElement(By.id("radioButtonId"));

radioButton.click();

Q49: How do you retrieve the size of an element using Selenium WebDriver in Java?

A49:

int elementWidth = element.getSize().getWidth();

int elementHeight = element.getSize().getHeight();

Q50: How do you perform a mouse hover and click action using Selenium WebDriver in Java?

A50:

Actions actions = new Actions(driver);

actions.moveToElement(element).click().perform();

These are some common syntax-related questions and answers for a Selenium interview. It's important to note that Selenium is a vast framework, and these questions cover only a subset of its features. It's recommended to further explore the Selenium documentation and practice coding to strengthen your Selenium skills.