Cognizant Selenium Automation Tester Interview Questions and Answers

Red only is a type of constant used in Selenium to locate web elements based on their color.

• Red only is used to locate elements that have a specific color, such as a red button.

• Constants are variables that hold a fixed value and are used in Selenium to make code more readable and maintainable.

• Red only is a type of constant that holds the value 'red' and is used in conjunction with other locators, such as ID or class na...read more

An interface is a contract between two entities that defines the communication between them.

• An interface defines a set of methods that a class must implement.

• It provides a way to achieve abstraction and loose coupling.

• Interfaces can be used to achieve multiple inheritance in Java.

• Example: Java's Comparable interface defines a method to compare objects.

• Example: Selenium WebDriver interface defines methods to interact wi...read more

Use Selenium WebDriver to find and count all text boxes on a web page.

• Use Selenium WebDriver to locate all text boxes on the web page

• Use findElements method with input tag and type attribute as text to find all text boxes

• Get the size of the list of elements to get the count of text boxes

Implicit wait is a global wait applied to all elements, while explicit wait is a specific wait applied to a particular element or condition.

• Implicit wait is set once and applied to all elements in the script

• Explicit wait is set for a specific element or condition

• Implicit wait is defined at the driver level

• Explicit wait is defined at the element level

• Implicit wait is used to wait for elements to appear on the page

• Explic...read more

Collections are used to store and manipulate groups of objects. Frameworks used in Selenium automation testing include TestNG, JUnit, and Cucumber.

• Collections are used to store and manipulate groups of objects

• Frameworks used in Selenium automation testing include TestNG, JUnit, and Cucumber

To reduce execution time in Selenium, optimize test scripts, use efficient locators, and run tests in parallel.

• Optimize test scripts by removing unnecessary steps and reducing wait times

• Use efficient locators such as CSS selectors instead of XPath

• Run tests in parallel using tools like Selenium Grid or TestNG

• Use headless browsers like PhantomJS to speed up tests

• Use page object model to reduce code duplication and improv...read more

To upload resume using Selenium, use sendKeys() method to locate the file input element and pass the file path.

• Locate the file input element using any of the locators like id, name, class, etc.

• Use sendKeys() method to pass the file path to the file input element.

• Click on the submit button to upload the file.