Hamiltonian Systems QA Associate Interview Questions and Answers

Q1. What is smoke testing
Ans. 
Smoke testing is a preliminary testing to check if the basic functionalities of a software application are working fine.
• Smoke testing is a subset of regression testing.

• It is performed to ensure that critical functionalities are working before proceeding with further testing.

• Smoke tests are usually quick and do not involve detailed testing.

• Example: Checking if the login functionality of a website is working after a new
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Q2. How to convert integer to string
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Use the toString() method to convert an integer to a string in JavaScript.
• Use the toString() method on the integer variable

• Pass the base as an argument to toString() if needed (e.g. 10 for decimal)

• Store the converted string in a variable for further use
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Q3. What are git command you have used
Ans. 
I have used git commands for version control and collaboration in software development.
• git clone: to clone a repository from a remote server

• git add: to stage changes for commit

• git commit: to save changes to the local repository

• git push: to push changes to a remote repository

• git pull: to fetch and merge changes from a remote repository

• git branch: to create, list, delete, or switch branches

• git merge: to merge changes fro...read more
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Q4. How to select key in selenium
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Keys in Selenium can be selected using the Keys class provided by Selenium WebDriver.
• Use the Keys class to send special keys like Enter, Tab, Arrow keys, etc.

• Keys can be used for keyboard actions like pressing Enter after entering text in a field.

• Keys can also be used for keyboard shortcuts like Ctrl+A for selecting all text in a field.
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Q5. What is difference between XSSFand HSSF for read data from Xcel.
Ans. 
XSSF is for reading data from Excel files in XML format, while HSSF is for reading data from Excel files in binary format.
• XSSF is part of Apache POI library and is used for reading data from Excel files in XML format

• HSSF is also part of Apache POI library and is used for reading data from Excel files in binary format

• XSSF is preferred for reading newer Excel file formats like .xlsx, while HSSF is used for older formats
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Q1. SQL query with join
Ans. 
SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table in the SELECT statement

• Use ON keyword to specify the join condition
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Q1. SQL query with join
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SQL query with join
• Use JOIN keyword to combine rows from two or more tables based on a related column between them

• Specify the columns to select from each table

• Use ON keyword to specify the join condition
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Q1. HR Round for Company review & offer
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2 coding ques in 1 hr

Q1. Core java and oops
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Q2. Use of this keyword in java
Ans. 
The 'this' keyword in Java refers to the current instance of the class.
• Used to refer to instance variables or methods of the current object

• Can be used to differentiate between instance variables and local variables with the same name

• Can be passed as an argument to other methods
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Q3. Difference between final and finally
Ans. 
final is a keyword used in Java to declare constants, while finally is a block of code used in exception handling to ensure a piece of code is always executed.
• final is used to declare constants in Java, its value cannot be changed once assigned

• finally is a block of code used in exception handling to ensure a piece of code is always executed, regardless of whether an exception is thrown or not

• Example: final int MAX_VALU...read more
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Q4. Basic principles of oops
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Basic principles of OOP include encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Example: A 'Car' class may have properties like 'color' and 'model', and methods like 'st
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Q5. Method over riding and method overloading
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Q1. Python related questions What is view ant it's type What is index what is it's type Fetch 3rd highest salary What's courses
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Q1. 1) how to fetch first 50% data from table? 2) about pop up in selenium 3) string question by giving code 4) GitHub commands 5) BDD related questions
Ans. 
Answers to interview questions for QA Engineer position
• 1) To fetch first 50% data from a table, you can use SQL queries with LIMIT and OFFSET clauses.

• 2) In Selenium, handling pop-ups can be done using the Alert class or by switching to the pop-up window using window handles.

• 3) Please provide the specific string question with code to answer it.

• 4) GitHub commands include git clone, git add, git commit, git push, etc.

• 5) B...read more
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Q1. How to performa cross browsing testing
Ans. 
Cross browsing testing is performed to ensure the compatibility of a website or application across different browsers and platforms.
• Identify the target browsers and platforms to be tested

• Create a test plan and test cases for each browser and platform

• Execute the test cases on different browsers and platforms

• Verify the functionality, layout, and performance of the website or application

• Report and track any issues or inco...read more
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Q2. How to test an APi when you dont have real entity to answer that api
Ans. 
To test an API without a real entity, use mock data or create dummy data for testing purposes.
• Create mock data that simulates the expected behavior of the real entity

• Use tools like Postman or cURL to send requests to the API using the mock data

• Verify that the API responds correctly to the requests and returns the expected results

• Test different scenarios and edge cases to ensure the API handles them properly

• Monitor the ...read more
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Find duplicates in string, Find frequency in string

Q1. Explain about project responsibilities
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Q1. JAVA AND SELENIUM AND CUCUCMBER
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Q2. API AUTOMATION TESTING WITHREST ASSURED
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Q1. JAVA, SELENIUM AND CUCUMBER
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