Instant Systems QA Engineer Interview Questions, Process, and Tips

Q1. Selenium, Java, functional testing
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Q1. Salary, notice period
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Q1. Real time test cases
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Q1. What is rest assured
Ans. 
Rest Assured is a Java library used for testing RESTful APIs.
• Rest Assured is an open-source Java library that provides a domain-specific language for writing powerful, maintainable tests for RESTful APIs.

• It simplifies the process of sending HTTP requests and validating responses.

• Rest Assured can be integrated with popular testing frameworks like JUnit and TestNG.

• It supports various authentication methods, request and r...read more
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Q2. What is json file
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JSON file is a lightweight data interchange format used to store and transmit data in a structured way.
• JSON stands for JavaScript Object Notation.

• It is easy for humans to read and write, and easy for machines to parse and generate.

• JSON is language-independent and is commonly used in web development for APIs.

• Example: {"name": "John Doe", "age": 30, "city": "New York"}
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Q1. Your Introduction
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Q2. Technical and Project related questions
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Q3. Your Framework related questions
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Q1. Remove duplicates in string
Ans. 
Remove duplicates in a string array
• Iterate through the array and use a Set to store unique strings

• Convert the Set back to an array to get the final result
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Q2. Remove spaces in string
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Remove spaces in a string
• Use string.replace() method with regex to replace spaces with empty string

• Alternatively, loop through each character in the string and build a new string without spaces

• Consider trimming the string first to remove leading and trailing spaces
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Q3. What is testing
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Testing is the process of evaluating a system or application to identify defects or errors.
• Testing involves executing software to find bugs or issues.

• It ensures that the software meets the specified requirements.

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

• Examples of testing tools include Selenium, JUnit, and Postman.
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Q1. Strings remove duplicate and count
Ans. 
Remove duplicate strings in an array and count occurrences of each string.
• Iterate through the array and use a Set to remove duplicates.

• Use a HashMap to count occurrences of each string.

• Return the unique strings and their counts.
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Q1. Discussed about salary
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They told to write java program in string and collections

Q1. Different between test cases and test scenario
Ans. 
Test cases are specific conditions or inputs to test a particular functionality, while test scenarios are a sequence of test cases to test a broader functionality.
• Test cases are detailed steps to test a specific functionality, while test scenarios are a collection of test cases to test a broader functionality.

• Test cases are more granular and focus on individual functionalities, while test scenarios are more high-level ...read more
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Q2. Write a program to read from excel
Ans. 
A program to read data from an Excel file using a programming language.
• Use a library or module that supports reading Excel files, such as pandas in Python or Apache POI in Java.

• Open the Excel file and select the specific sheet or range of cells to read data from.

• Iterate through the rows and columns to extract the data and store it in an array of strings.
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Q1. Why you want to switch company
Ans. 
Seeking new challenges and growth opportunities in a more innovative environment.
• Desire for new challenges and learning opportunities

• Seeking a more innovative work environment

• Looking for career growth and advancement

• Interested in working with new technologies or methodologies
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