Aptos QA Engineer Interview Questions and Answers

Q1. Oops concepts is mandatory
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Q2. Print only duplicate values from a String Without using for loop, use do-while
Ans. 
Print duplicate values from a String using do-while loop
• Create a HashSet to store unique values

• Use a do-while loop to iterate through the String

• Check if the HashSet already contains the current character, if yes, print it as a duplicate
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Q3. Core Java oops concepts
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Q1. Reverse a string= "Ecommerce"
Ans. 
To reverse a string 'Ecommerce', you can iterate through the characters in the string and build a new string in reverse order.
• Iterate through the characters of the string from end to start

• Append each character to a new string to build the reversed string

• Return the reversed string as the result
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Q2. Print only duplicate values from a string
Ans. 
Print duplicate values from a string as an array of strings
• Iterate through each character in the string

• Use a hashmap to store the frequency of each character

• Print characters with frequency greater than 1 as duplicates
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Q3. Selenium web driver related, Open amazon or Facebook website, u need to find the xpath for dates or dropdowns, and using contains
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Was easy, basic fundamentals

Q1. Asked questions on resume and DevOps and basic array questions
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Q1. Asked questions regarding projects and dsa
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Q1. Managerial round
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Q1. Questions asked related to SQL and manual testing
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Q1. Asked questions related to java selenium and manual testing
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Q1. Few technical and few behavioural questions were asked
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Q1. Previous project conversation
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Q1. Types of status codes found in API testing.
Ans. 
Status codes in API testing indicate the outcome of a request made to the API.
• 200 - OK: Request was successful

• 400 - Bad Request: Invalid input or missing parameters

• 401 - Unauthorized: Authentication required

• 404 - Not Found: Resource not found

• 500 - Internal Server Error: Server-side issue
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Q1. Exception found while testing
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When an exception is found while testing, it means that the software did not behave as expected.
• Identify the root cause of the exception by analyzing the code and test cases.

• Reproduce the exception to ensure it is consistent.

• Document the exception with detailed information such as steps to reproduce, environment details, and screenshots.

• Collaborate with developers to fix the issue and retest after the fix is implemente
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Q1. Testing Methologies
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Q1. Situational questions- Test cases on elevator
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