EPAM Systems Senior Software Engineer Testing Interview Questions and Answers

Project structure refers to the organization of files, folders, and resources within a software project.

• Main folders like src (source code), test (test cases), lib (libraries), docs (documentation)

• Subfolders for specific modules or components

• Configuration files like pom.xml, package.json, etc.

• Build scripts like Jenkinsfile, Dockerfile

• Version control files like .gitignore, .gitattributes

• README.md file for project overvi

Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.

• Use try-catch blocks to handle exceptions

• Use finally block to execute code regardless of exception

• Use throw keyword to manually throw exceptions

• Use throws keyword in method signature to declare exceptions that can be thrown

Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more thorough test to ensure that the software is ready for further testing.

• Smoke testing is done to check if the critical functionalities of the software are working properly.

• Sanity testing is done to ensure that the software is stable and ready for further testing.

• Smoke testing is usually done be...read more

Program to toggle string

• Create an empty string variable

• Loop through each character in the input string

• If the character is uppercase, convert it to lowercase and add to the new string

• If the character is lowercase, convert it to uppercase and add to the new string

• Return the new string

Program to check if string is number

• Use built-in functions like isdigit() or isnumeric()

• Handle negative numbers and decimal points separately

• Consider edge cases like leading/trailing spaces and exponential notation

Swap two strings without using third

• Use XOR operator

• Use addition and subtraction

• Use multiplication and division

To create an alphanumeric string of a given length, we can use a combination of random letters and numbers.

• Determine the length of the string required

• Create a list of all possible alphanumeric characters

• Randomly select characters from the list and append them to the string until the desired length is reached

A framework is a set of guidelines, standards, and tools used to develop and maintain software applications.

• A framework provides a structure for organizing code and building applications

• It includes pre-written code libraries, modules, and functions that can be reused

• Frameworks can be specific to a programming language or technology

• Examples include Selenium for web testing, Robot Framework for automation testing, and Dj

Atos is a leading global IT services company with a strong focus on automation and coding skills.

• Atos is a well-established global IT services company known for its expertise in automation and coding.

• They have a strong reputation for delivering innovative solutions to clients using cutting-edge technologies.

• Working at Atos will provide opportunities to enhance coding skills and work on challenging automation projects.

• A...read more