UST Product Engineering Interview Questions and Answers

List is an ordered collection of elements with duplicates allowed, while set is an unordered collection of unique elements.

• List maintains the order of elements, while set does not guarantee any specific order.

• List allows duplicate elements, while set does not allow duplicates.

• List is typically implemented using arrays or linked lists, while set is implemented using hash tables or trees.

findElements method is used to locate multiple elements on a web page based on a given locator strategy.

• findElements method returns a list of WebElements matching the specified locator strategy.

• Common locator strategies include ID, class name, tag name, name, xpath, and css selector.

• Example: List elements = driver.findElements(By.xpath("//div[@class='example']"));