30+ Software Quality Assurance Engineer Interview Questions and Answers

The get method is used to retrieve a value from a data structure, while the quit method is used to terminate a program or session.

• The get method is commonly used in programming languages to access elements from arrays, lists, dictionaries, etc.

• The quit method is typically used to gracefully exit a program or session, closing any open resources or connections.

• Example: In Python, the get method is used to retrieve values from dictionaries, while the quit method is used to exit ...read more

Code to remove duplicate letters from a string and print remaining letters or 0 if no duplicates.

• Iterate through the string and keep track of seen characters using a set

• If a character is not in the set, add it to the set and append it to the result string

• If a character is already in the set, do not append it to the result string

• If the result string is empty, print 0

Use bitwise XOR operation to swap two numbers without using extra variables or arithmetic operators.

• Use bitwise XOR operation to swap two numbers without using extra variables or arithmetic operators.

• Example: a = 5, b = 7. a ^= b; b ^= a; a ^= b; Now a = 7, b = 5.

How to skip a specific test case in TestNG?

• Use @Test(enabled = false) annotation to skip a test case

• Use @Test(groups = {"skip"}) annotation and exclude the group from test execution

• Use ITestResult.SKIP status to skip a test case programmatically

TestNG annotations are executed in a specific order to ensure proper test execution.

• BeforeSuite

• BeforeTest

• BeforeClass

• BeforeMethod

• Test

• AfterMethod

• AfterClass

• AfterTest

• AfterSuite

Absolute Xpath is the complete path from the root element while relative Xpath is the path from the current element.

• Absolute Xpath starts with a single forward slash (/) and is used to locate an element from the root node.

• Relative Xpath starts with a double forward slash (//) and is used to locate an element from the current node.

• Absolute Xpath is more specific and less flexible while relative Xpath is more flexible and less specific.

• Example of Absolute Xpath: /html/body/div[...read more

Performing actions using Selenium on a website

• Identify the element using locators such as ID, class, name, etc.

• Perform the desired action using Selenium commands like click(), sendKeys(), etc.

• Handle any pop-ups or alerts that may appear during the action

• Use explicit or implicit waits to ensure the element is loaded before performing the action

Xpath for locating elements in Amazon website.

• Use // to start the Xpath expression

• Use @attribute='value' to specify the attribute and its value

• Use text()='text' to specify the text of the element

• Use [index] to specify the index of the element if there are multiple matching elements

Scenario outlines are templates for scenarios with placeholders for input values.

• Scenario outlines are used in BDD frameworks like Cucumber.

• They allow for the creation of multiple scenarios with different input values.

• Scenario outlines use placeholders like to represent input values.

• Example: Given a with , when they log in, then they should see the .

• Scenario outlines are more flexible and reusable than regular scenarios.

Cucumber framework executes feature files using step definitions and generates reports.

• Cucumber reads feature files written in Gherkin syntax

• Step definitions are written in programming language

• Cucumber matches steps in feature file with step definitions

• Cucumber generates reports after execution

Java program for manipulating arrays of strings.

• Declare an array of strings using String[] arrayName = new String[length];

• Access individual elements using arrayName[index];

• Use loops to iterate through the array and perform operations on each element.

• Use built-in methods like length() and split() to manipulate strings within the array.

Introduction test cases for objects near me

• Test case for testing a chair: verify stability, check for any damages, test weight capacity

• Test case for testing a computer: check if it powers on, test functionality of keyboard and mouse, verify internet connectivity

• Test case for testing a pen: check if it writes smoothly, test ink flow, verify if cap fits securely

Runner/Config file is used in test frameworks to manage test execution and configuration settings.

• Runner file is used to execute test cases in a specific order or grouping.

• Config file is used to store configuration settings like browser type, environment variables, etc.

• Separating runner and config files helps in better organization and maintenance of test suites.

Prioritize tasks, communicate effectively, use project management tools

• Prioritize tasks based on deadlines and importance

• Communicate effectively with team members and stakeholders to ensure alignment

• Utilize project management tools like Jira or Trello to track progress and manage tasks

Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in its superclass.

• Overloading is compile-time polymorphism while overriding is runtime polymorphism.

• Overloading is used to provide different implementations of the same method for different input parameters.

• Overriding is used to provide a specific implementation of a method that is already provided by its...read more

TakescreenShot sudo code captures the screen and saves it as an image file.

• Import necessary libraries for capturing the screen and saving images

• Define a function to capture the screen

• Specify the file format and location to save the screenshot

• Call the function to capture and save the screenshot

Bug release verification and validation ensure that identified bugs are fixed and the software meets quality standards.

• Bug release verification involves checking if the reported bugs have been fixed in the new release.

• Bug release validation involves testing the new release to ensure it meets quality standards and functions correctly.

• Verification ensures that the bugs are fixed, while validation ensures the overall quality of the software.

• Examples: Running test cases to verify...read more

Creating a test plan involves defining objectives, scope, resources, schedule, and test cases.

• Define the objectives and scope of the testing

• Identify the resources needed for testing

• Establish a schedule for testing activities

• Create detailed test cases based on requirements

• Assign responsibilities for executing tests and reporting results

Regression testing is the process of retesting a product to ensure that new changes have not negatively impacted existing functionality.

• Identify the scope of the regression testing based on the changes made to the product

• Create a regression test suite that includes test cases covering all critical functionalities

• Execute the regression test suite after each new release or change to the product

• Automate regression tests to save time and ensure consistency

• Compare the results of t...read more

Our current framework is a hybrid framework combining data-driven and keyword-driven approaches.

• Combines data-driven and keyword-driven testing

• Uses Excel sheets for test data and keywords

• Utilizes Selenium WebDriver for automation

• Includes reusable functions for common actions

• Supports parallel execution for faster testing

Check if two words are anagrams

• Convert both words to lowercase

• Remove any spaces or special characters

• Sort the characters in both words and compare them

Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

• Fibonacci series starts with 0 and 1, and each subsequent number is the sum of the two preceding numbers.

• The series goes like: 0, 1, 1, 2, 3, 5, 8, 13, 21, and so on.

• It is a common mathematical sequence used in various algorithms and applications.

Bug leakage refers to bugs that are not identified during testing and are released to production.

• Bug leakage occurs when bugs are missed during testing and are not fixed before the software is released to production.

• This can happen due to inadequate test coverage, lack of proper testing techniques, or human error.

• Bug leakage can result in negative impact on users, reputation damage, and increased costs for fixing bugs in production.

• Examples of bug leakage include a critical s...read more

A palindrome is a word, phrase, number, or other sequence of characters which reads the same backward as forward.

• Palindrome examples: 'radar', 'madam', 'level', '12321'

• Ignore spaces and punctuation when checking for palindromes

• Can be applied to words, phrases, numbers, or even entire sentences

AI tools play a crucial role in Software Quality Assurance by automating testing processes, improving efficiency, and detecting defects early.

• AI tools can automate repetitive testing tasks, saving time and effort.

• AI tools can analyze large amounts of data quickly and accurately, helping to identify potential defects.

• AI tools can improve test coverage by generating test cases based on historical data and patterns.

• AI tools can help in predicting potential issues before they occ...read more

Iterate through the list to find the second largest number.

• Iterate through the list and keep track of the largest and second largest numbers.

• Compare each number with the largest and second largest numbers to update them accordingly.

• Return the second largest number once the iteration is complete.

Agile process is a software development methodology that emphasizes flexibility, collaboration, and iterative development.

• Agile process involves breaking down projects into small increments called sprints

• It prioritizes customer collaboration and responding to change over following a strict plan

• Teams work closely together and adapt to feedback throughout the development process

• Common agile frameworks include Scrum, Kanban, and Extreme Programming

Types of testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.

• Unit testing: Testing individual components or modules of a software application.

• Integration testing: Testing the interaction between different components or modules.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements of the end users.

• Regression testing: Testing to ensure that new code...read more

SDLC stands for Software Development Life Cycle, a process used by software development teams to design, develop, and test high-quality software.

• SDLC is a systematic process that consists of several phases including planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables that must be completed before moving on to the next phase.

• SDLC helps ensure that software is developed efficiently, on time, and within b...read more

Reverse a linked list by changing the next pointers of each node

• Start with three pointers: current, previous, and next

• Iterate through the linked list, updating the next pointer of each node to point to the previous node

• Update the previous, current, and next pointers for each iteration

Testing is the process of evaluating a software application to ensure it meets specified requirements and functions correctly.

• Testing involves executing the software with the intent of finding defects.

• It is done to validate that the software meets the business and technical requirements.

• Types of testing include functional testing, performance testing, security testing, etc.

• Examples of testing tools include Selenium, JUnit, and LoadRunner.

Word wrap coding problem involves breaking a string into lines of a specified length without breaking words.

• Use a loop to iterate through the input string and break it into lines of specified length

• Make sure to not break words in the middle, move the word to the next line if needed

• Consider edge cases like words longer than the specified line length

Reverse a given number

• Convert the number to a string

• Reverse the string

• Convert the reversed string back to a number

Test case for login functionality

• Enter valid username and password

• Verify user is logged in successfully

• Enter invalid username and password

• Verify error message is displayed

Reverse a string

• Create a new empty string to store the reversed string

• Iterate through the original string from end to start and append each character to the new string

• Return the reversed string