Selenium Interview Question and Answers Series. Episode- 1

Selenium Interview Q & A

The interview Series consists of set of questions in each episode to make you learn in a time based manner. This post is all about selenium episode-1


1) What are the annotations used in TestNG ?

@Test, @BeforeSuite, @AfterSuite, @BeforeTest, @AfterTest,  @BeforeClass, @AfterClass, @BeforeMethod, @AfterMethod.


2) What is the use of xpath ?

It is used to find the Web Element in web page.  Very useful in identifying the dynamic web elements.


3) What are different types of locators ?,, By.tagName(), By.className(), By.linkText(), By.partialLinkText(), By.xpath, By.cssSelector().


4) What is the alternate way to click on login button?

Use submit() method but it can be used only when attribute type=submit.


5) How do you verify if the check-box/radio is checked or not ?

Using isSelected() method.

driver.findElement(By.xpath("xpath of the checkbox/radio button")).isSelected();</pre><pre>If the return value of this method is true 

then it is checked else it is not.<strong> </strong>



6) How do you handle alert pop-up ?

To handle alert pop-ups, we need to 1st switch control to alert pop-ups then click on ok or cancle then move control back to main page.

String mainPage = driver.getWindowHandle();

Alert alt = driver.switchTo().alert(); // to move control to alert popup
alt.accept(); // to click on ok.
alt.dismiss(); // to click on cancel.
//Then move the control back to main web page-
driver.switchTo().window(mainPage); → to switch back to main page.



7) How do you launch IE/chrome browser?

Before launching IE or Chrome browser we need to set the System property.

//To open IE browser

System.setProperty(“”,”path of the iedriver.exe file ”);

WebDriver driver = new InternetExplorerDriver();

//To open IE browser

System.setProperty(“”,”path of the iedriver.exe file ”);

WebDriver driver = new InternetExplorerDriver();


8) How to perform right click using WebDriver?

Use Actions class

Actions act = new Actions(driver); // where driver is WebDriver type

9) How do perform drag and drop using WebDriver?

Use Action class

Actions act = new Actions(driver);

WebElement source = driver.findElement(By.xpath(“ -----”)); //source ele which you want to drag

WebElement target = driver.findElement(By.xpath(“ -----”)); //target where you want to drop


10) Give the example for method overload in WebDriver.

frame(string), frame(int), frame(WebElement).


11) How do you upload a file?

To upload a file we can use sendKeys() method.

driver.findElement(By.xpath(“input field”)).sendKeys(“path of the file to upload”);


12) How do you click on a menu item in a drop down menu?

selectByValue() or selectByIndex() or selectByVisibleText(). These are the methods of the Select class.


13) How do you simulate browser back and forward ?




14) How do you get the current page URL ?



15) What is the difference between ‘/’ and ‘//’ ?

// is used to search in the entire structure.

/ it is used to identify the immediate child.


16) What is the difference between findElement and findElements?

findElement() – it used to find the one web element. It return only one WebElement type.

findElements()- it used to find more than one web element. It return List of WebElements.

17) How to get typed text from a textbox ?

Using getAttribute(“value”) method by passing arg as value.

String typedText = driver.findElement(By.xpath("xpath of box")).getAttribute("value"));

<strong> </strong>

18) What are the different exceptions you got when working with WebDriver ?

ElementNotVisibleException, ElementNotSelectableException, NoAlertPresentException, NoSuchAttributeException, NoSuchWindowException, TimeoutException, WebDriverException.

19) How do you clear the contents of a textbox in selenium ?

Using clear() method.

driver.findElement(By.xpath(“xpath of box”)).clear();

20) How do you achieve synchronization in WebDriver ?

Using implicit wait.


To be continued…