Senior Sdet Engineer Interview Questions and Answers for Freshers

To scroll a web element, use actions class to perform scroll actions

• Create an instance of Actions class

• Use moveToElement() method to move to the desired element

• Perform scroll actions using sendKeys(Keys.ARROW_DOWN) or sendKeys(Keys.PAGE_DOWN)

• Example: Actions actions = new Actions(driver); actions.moveToElement(element).sendKeys(Keys.ARROW_DOWN).perform();

A testbed is a platform or environment used for testing software applications or hardware components.

• Testbeds can simulate real-world scenarios to test the functionality and performance of software or hardware.

• They can include a combination of hardware, software, and network configurations.

• Testbeds are used to identify bugs, performance issues, and compatibility problems before releasing a product.

• Examples of testbeds include virtual machines, physical devices, and cloud-base...read more

XPath is a language used for navigating XML documents and selecting nodes based on their properties.

• XPath stands for XML Path Language

• It is used to navigate through elements and attributes in an XML document

• There are two types of XPath: Absolute XPath and Relative XPath

• Absolute XPath starts from the root node, while Relative XPath starts from any node in the XML document

• XPath expressions can be used to locate elements based on their attributes or position in the document

Code for Breadth First Search algorithm

• Use a queue to keep track of nodes to visit next

• Visit each node's neighbors before moving to the next level

• Mark visited nodes to avoid revisiting them