MCQs on Differences Between findElement() and findElements() in Selenium Java
What is the primary difference between findElement() and findElements() in Selenium?
a) findElement() returns a list of elements, while findElements() returns a single element.
b) findElement() returns a single WebElement, while findElements() returns a List<WebElement>.
c) findElement() throws an exception if no elements are found, while findElements() returns null.
d) findElement() can find hidden elements, while findElements() cannot.
Answer: b) findElement() returns a single WebElement, while findElements() returns a List<WebElement>.
What does the findElement() method return if no element is found?
a) null
b) An empty list
c) NoSuchElementException
d) A new instance of WebElement
Answer: c) NoSuchElementException
Which method would you use if you need to find and interact with multiple elements on a webpage?
a) findElement()
b) findElements()
c) getElement()
d) getElements()
Answer: b) findElements()
If you want to check whether an element exists on a webpage without causing an exception, which method should you use?
a) findElement()
b) findElements()
c) getElementById()
d) elementExists()
Answer: b) findElements()
What is returned by findElements() if no matching elements are found?
a) null
b) NoSuchElementException
c) StaleElementReferenceException
d) An empty list
Answer: d) An empty list
Which of the following statements is true regarding findElement()?
a) It always returns a list, even if only one element is found.
b) It throws a NoSuchElementException if no element is found.
c) It returns the first element it finds and stops searching.
d) It returns all elements that match the locator.
Answer: b) It throws a NoSuchElementException if no element is found.
If you want to find all elements with the class name "button" on a webpage, which method should you use?
a) driver.findElement(By.className("button"));
b) driver.findElements(By.className("button"));
c) driver.findElement(By.name("button"));
d) driver.findElements(By.tagName("button"));
Answer: b) driver.findElements(By.className("button"));
Which method is more efficient if you are only looking for the first occurrence of an element?
a) findElement()
b) findElements()
c) Both are equally efficient.
d) It depends on the locator used.
Answer: a) findElement()
When would you use findElements() over findElement()?
a) When you expect only one element to be present.
b) When you need to check for the presence of an element without throwing an exception.
c) When you want to find the first matching element.
d) When you need to perform an action on the first matching element.
Answer: b) When you need to check for the presence of an element without throwing an exception.
What type of collection does findElements() return?
a) Set<WebElement>
b) Map<WebElement>
c) List<WebElement>
d) Queue<WebElement>
Answer: c) List<WebElement>
What happens if findElement() finds multiple elements that match the locator?
a) It throws an ElementNotVisibleException.
b) It throws a NoSuchElementException.
c) It returns the first matching WebElement.
d) It returns all matching elements in a list.
Answer: c) It returns the first matching WebElement.
How would you handle a situation where you are not sure if an element exists on the page?
a) Use findElement() and handle the exception.
b) Use findElements() and check if the returned list is empty.
c) Use getElementById() method.
d) Use findElement() and check if it returns null.
Answer: b) Use findElements() and check if the returned list is empty.
What is a common use case for findElements() in Selenium testing?
a) To perform actions on a single web element.
b) To find an element using XPath.
c) To find multiple elements with a shared property, such as class name or tag name.
d) To verify that only one element exists with a specific ID.
Answer: c) To find multiple elements with a shared property, such as class name or tag name.
Which method would you use to find the first <div> element on a webpage?
a) driver.findElements(By.tagName("div"));
b) driver.findElement(By.tagName("div"));
c) driver.getElement(By.tagName("div"));
d) driver.getElements(By.tagName("div"));
Answer: b) driver.findElement(By.tagName("div"));
In Selenium, which method does not throw an exception if no elements are found?
a) findElement()
b) findElements()
c) getElement()
d) getElements()
Answer: b) findElements()
If you want to perform a check for the existence of an element and continue without an exception if it is not found, which method should you use?
a) findElement()
b) findElements()
c) checkElement()
d) validateElement()
Answer: b) findElements()
Which method is more suitable for scenarios where multiple elements are expected to be interacted with?
a) findElement()
b) findElements()
c) getSingleElement()
d) checkElements()
Answer: b) findElements()
Which method would you use if you need to verify that a list of web elements exists with a particular attribute?
a) findElement(By.xpath("//element"))
b) findElements(By.xpath("//element"))
c) getElementByAttribute("attribute")
d) getElementsByAttribute("attribute")
Answer: b) findElements(By.xpath("//element"))
What is the behavior of findElement() if the element is not immediately found on the page?
a) It waits until the element becomes available.
b) It returns null.
c) It throws a NoSuchElementException immediately.
d) It waits for a default timeout and then throws an exception.
Answer: d) It waits for a default timeout and then throws an exception.
What type of error handling should you implement when using findElement()?
a) Handle the possible NoSuchElementException with a try-catch block.
b) Implement a loop to retry finding the element.
c) No error handling is necessary.
d) Convert it to a findElements() method call.
Answer: a) Handle the possible NoSuchElementException with a try-catch block.
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