TVS Next Interview Questions and Answers

Q1. Tell me about yourself
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Q2. Explain your project
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Q3. What's your strongest programming language
Ans. 
My strongest programming language is Java.
• Extensive experience with Java programming

• Proficient in object-oriented programming

• Familiar with Java frameworks like Spring and Hibernate
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Aptitude, reasoning, verbal plus 2 programming questions which you have to solve in Java

Q1. Mention and explain 2 OOPS concepts
Ans. 
Encapsulation and Inheritance are two important OOPS concepts.
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class with private data members and public methods.

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Subclass inheriting from a superclass.
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Q2. Difference between Stack and Array
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Stack is a data structure that follows Last In First Out (LIFO) principle, while an array is a data structure that stores elements in contiguous memory locations.
• Stack is dynamic in size, while array has a fixed size.

• Stack operations include push and pop, while array operations include random access.

• Example: Stack can be implemented using arrays, but arrays cannot be implemented using stacks.
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Q3. Write a program to check if an arraylist contains a duplicate element
Ans. 
Program to check for duplicate elements in an arraylist of strings
• Iterate through the arraylist and use a HashSet to store unique elements

• If an element is already in the HashSet, it is a duplicate

• Return true if a duplicate is found, false otherwise
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Q1. Talk about yourself for 2 minutes without mentioning things like CGPA, marks, etc.
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Q2. Indepth questions about project
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Q1. What is agile
Ans. 
Agile is a flexible project management methodology focused on iterative development and collaboration.
• Emphasizes collaboration between cross-functional teams.

• Uses iterative cycles called sprints to deliver small, incremental improvements.

• Encourages regular feedback from stakeholders to adapt to changes.

• Promotes a culture of continuous improvement and learning.

• Examples include Scrum and Kanban frameworks.
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Q2. How do you check the test coverage
Ans. 
Test coverage is assessed by evaluating the extent of testing across code, requirements, and features.
• Use code coverage tools (e.g., JaCoCo, Istanbul) to measure the percentage of code executed during tests.

• Map test cases to requirements to ensure all functionalities are tested.

• Perform static analysis to identify untested paths in the code.

• Review test case design to ensure edge cases and negative scenarios are included...read more
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Q3. How do you handle dynamic elements
Ans. 
To handle dynamic elements, I use strategies like explicit waits, XPath, and CSS selectors to ensure reliable automation.
• Use explicit waits to wait for elements to become visible or clickable, e.g., WebDriverWait in Selenium.

• Utilize XPath or CSS selectors that can adapt to changes in the DOM structure, e.g., //div[contains(@class, 'dynamic-class')]

• Implement retry logic to handle transient issues with dynamic elements, ...read more
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Q4. What is fixtures in pytest
Ans. 
Fixtures in pytest provide a way to set up and tear down test environments and dependencies.
• Fixtures are functions that run before (and optionally after) tests to prepare the test environment.

• They can be used to create test data, set up database connections, or configure external services.

• Example: @pytest.fixture def sample_fixture(): return 'data' - this fixture can be used in tests.

• Fixtures can have different scopes:...read more
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Q5. Write a program to get the duplicate element from a list
Ans. 
This program identifies and returns duplicate elements from a given list.
• Use a set to track seen elements and a list to store duplicates.

• Iterate through the list and check if the element is already in the set.

• If it is, add it to the duplicates list; otherwise, add it to the set.

• Example: For the list [1, 2, 3, 2, 4, 3], the duplicates are [2, 3].
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Q6. Write a program for fixture with parameters
Ans. 
Creating a parameterized fixture in a test framework for reusable test setups.
• Use a testing framework like pytest in Python.

• Define a fixture with parameters using the @pytest.fixture decorator.

• Example: @pytest.fixture(params=[1, 2, 3]) def param_fixture(request): return request.param.

• This allows tests to run with different parameter values automatically.

• Use the fixture in tests by including it as an argument in the tes...read more
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Q1. How to create bugs report
Ans. 
To create a bug report, document the issue with clear steps to reproduce and include screenshots or videos if necessary.
• Clearly describe the issue including steps to reproduce

• Include screenshots or videos if applicable

• Specify the environment and conditions in which the bug occurred

• Assign a severity level to the bug based on its impact

• Submit the bug report to the appropriate team for resolution
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Q2. How you will prepare a report
Ans. 
I will prepare a report by organizing and summarizing the test results in a clear and concise manner.
• Gather all the test results and observations

• Organize the information in a structured format

• Include details such as test cases executed, bugs found, and overall test coverage

• Summarize the key findings and recommendations for improvement

• Ensure the report is easy to understand for stakeholders
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Q1. Asked about technologies and coding
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Q2. Components in reactjs
Ans. 
Reactjs components are reusable, independent pieces of UI that can be composed together to build complex user interfaces.
• Components are the building blocks of a React application

• They can be class components or functional components

• Components can have their own state and lifecycle methods

• Components can be nested within other components to create a hierarchy

• Examples: Button component, Navbar component, UserList component
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Q3. Given url to fetch data from api
Ans. 
Use the url to make a request to the API and fetch data.
• Use a library like axios or fetch to make the HTTP request.

• Parse the response data to extract the necessary information.

• Handle any errors that may occur during the request.
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Q4. Cloud related scenerio questions
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