EPAM Systems Senior Software Tester Interview Questions and Answers

Agile methodology allows for flexibility, collaboration, and faster delivery of high-quality software.

• Encourages customer involvement and feedback throughout the development process

• Allows for changes and adjustments to be made quickly and efficiently

• Promotes teamwork and communication among team members

• Delivers working software in shorter timeframes

• Reduces the risk of project failure

• Increases customer satisfaction

• Examp

TCD is based on the criteria of time, cost, and deliverables.

• TCD stands for Time, Cost, and Deliverables.

• It is a project management approach that focuses on these three criteria.

• The goal is to complete the project within the given time and budget while delivering the desired results.

• For example, if a software development project is using TCD, the team will prioritize tasks based on their impact on time, cost, and deliv...read more

Backlog is a list of tasks or requirements that need to be completed in a project.

• Backlog is a prioritized list of work items

• It includes user stories, bugs, and technical tasks

• It is constantly updated throughout the project

• It helps the team to plan and track progress

• Examples: JIRA, Trello, Asana

Scrum Master in Agile is equivalent to Project Manager in Waterfall.

• Scrum Master is responsible for facilitating the Agile process and ensuring the team follows it.

• Project Manager is responsible for managing the project from start to finish in Waterfall.

• Both roles involve managing the team and ensuring the project is completed on time and within budget.

• However, the approach and methodology used are different in Agile a

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

Our framework is a hybrid framework that combines data-driven and keyword-driven approaches.

• Our framework uses Excel sheets to store test data and test cases.

• We have created custom keywords that can be used to perform specific actions.

• We use Selenium WebDriver for web application testing and Appium for mobile application testing.

• Our framework generates detailed HTML reports after each test run.

• We have implemented a ret...read more

OOPs concepts are the fundamental principles of object-oriented programming.

• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together in a single unit.

• Inheritance: Acquiring properties and behavior of a parent class by a child class.

• Polymorphism: Ability of an object to take many forms or have multiple behaviors.

• Example: A car is an object that ...read more

Collection is a framework in Java that provides an architecture to store and manipulate a group of objects.

• Collection is an interface that extends Iterable interface

• List, Set, and Queue are the main subinterfaces of Collection

• ArrayList, LinkedList, HashSet, and TreeSet are some of the classes that implement Collection

• Collections class provides various utility methods to operate on Collection objects

Testing is the process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

• Testing is an essential part of software development.

• It helps to identify defects and errors in the software.

• Testing can be done manually or through automation.

• Types of testing include functional, performance, security, and usability testing.

• Testing should be done throughout t

There are various tools used in software testing such as Selenium, JMeter, Appium, etc.

• Selenium is used for web application testing

• JMeter is used for load testing

• Appium is used for mobile application testing

• Other tools include TestComplete, SoapUI, etc.

Java is a popular programming language for software testing due to its platform independence, object-oriented nature, and vast community support.

• Java is platform-independent, meaning that code written in Java can run on any platform that has a Java Virtual Machine (JVM) installed.

• Java is object-oriented, making it easier to write modular and reusable code.

• Java has a vast community of developers and testers, providing a...read more

To iterate a Map, use for-each loop or Iterator interface.

• Use for-each loop to iterate over the Map entries.

• Use keySet() method to get the Set of keys and then iterate over it.

• Use values() method to get the Collection of values and then iterate over it.

• Use entrySet() method to get the Set of Map.Entry objects and then iterate over it.

• Use Iterator interface to iterate over the Map entries.

Test scenarios are high-level descriptions of the functionality to be tested, while test cases are detailed steps to validate the scenarios.

• Test scenarios are broad and cover multiple test cases.

• Test cases are specific steps to validate a particular scenario.

• Test scenarios are usually created at the beginning of testing, while test cases are derived from scenarios.

• Test scenarios are used for high-level planning and est...read more

Use cases for application involve identifying different scenarios in which the application can be used to meet user needs.

• Testing different user interactions

• Validating system functionality

• Identifying edge cases

• Ensuring compatibility with different devices

• Verifying data integrity