Celsior Technologies Senior Software Quality Assurance Engineer Interview Questions, Process, and Tips

Object-oriented programming principles are used in framework design to improve code reusability, maintainability, and scalability.

• Encapsulation: Encapsulating data and behavior within classes to hide implementation details.

• Inheritance: Reusing code and extending functionality through parent-child class relationships.

• Polymorphism: Allowing objects of different classes to be treated as objects of a common superclass.

• Abst...read more

Frames and nested frames in web applications can be handled using switchTo() method in Selenium WebDriver.

• Use driver.switchTo().frame() to switch to a frame by index, name or WebElement.

• To switch back to the default content, use driver.switchTo().defaultContent().

• For nested frames, switch to the parent frame first before switching to the child frame.

Web table elements can be handled using various methods like locating elements, extracting data, and performing actions.

• Locate the table element using its xpath, id, class name, etc.

• Extract data from the table using methods like getText() or getAttribute().

• Perform actions like clicking on a specific cell or row based on the data in the table.

Handling exceptions is crucial in software development to ensure smooth functioning of the application.

• Use try-catch blocks to handle exceptions gracefully

• Throw custom exceptions to provide more specific error messages

• Implement proper logging to track and troubleshoot exceptions

• Handle different types of exceptions such as NullPointerException, ArrayIndexOutOfBoundsException, and IOException

Program to reverse an array of strings

• Iterate through the array of strings

• For each string, reverse the characters

• Store the reversed strings in a new array