JKSOFTEC Sdet (Software Development Engineer in Test) Interview Questions and Answers

1. Explain about framework architecture and from that all questions derived. asked to write diagram and explain the structure.
2. Difference between class variable and instance variable.
3. what is ITestListener why used and when used in framework.
4. architecture of selenium 4 (geckodriver, chromium driver)
5. what is BDD and cucumber, how both are related to.
6. which kind of framework you go, either POM or Page factory for with testNg/junit?
7. asked to write query on sql joins and how you fetch the second lowest of salary from each department.
8. DDL, DML statements.
9. pathquery and query parameters differences(API)
10. How the responses you are validating in automation framework for Json response file.
11. status code of Https
12. serialization and deserialization difference
13. String Builder, String Buffer and String difference? which is better and which is safe to use.
14. Dropdown in selenium how you handle, how to check which is already selected?
15. multiple data provider in testng and how you pass parameter and how you retrive from excel sheet? Asked to write code!
16.what is flaky testing?
17.Asked to write first code of JDBC connecting establishment with framework.
18. Code execution: input ="aabbabcbb"; output = a:3 , b:5, c:1 like this if they give name also it should count. Tip : HashMap you can write the code.
19. Code execution: a[]={1,2,3,4,0,0,0} b={5,6,7} output need to print as remove all 0's from first array and replace 1,2,3,4 with 5,6,7 some crazy questions.
20. Git cmds and CI/CD tool.

1. asked about architecture and where you used oops concepts?
2. abstract class and interfaces
3. select drop down all options
4. find scrape links from webpage write the code
5. asked for writing xpath for any element random website.
6. asked about following-sibling, descendent and preceding-sibling, normalise-space locators.
7. jdbc connection code.
8. API JSON file - how you done validation in automation testing.

Q1. Why team lead position you have not taken till now and is their any managerial skills you are lacking on What kind of projects you worked on water fall model agile team You are only individual contributor?...read more
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Q1. About experience and studies Compensation discussed. Need all the exp letters and years
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Asked about, DP, GRAPHS AND LINKEDLIST

Give panic situations

Q1. What is java and linked list
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Q2. Implementaion of testng in maven in selenium java
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Q1. Write a code to split a string to one by one letter in each line?
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Q2. Write Xpath of an element from amazon.in page manually, without copying.
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Q1. What are the different phases of the Software Testing Life Cycle (STLC)?
Ans. 
STLC consists of phases like requirement analysis, test planning, test design, test execution, and test closure.
• Requirement Analysis: Understanding the project requirements and defining the scope of testing.

• Test Planning: Creating a test plan which includes test strategy, test objectives, and resource planning.

• Test Design: Developing test cases and test scenarios based on requirements.

• Test Execution: Running the test c...read more
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Q2. Can you write a program that outputs a sentence in reverse?
Ans. 
Yes, I can write a program that outputs a sentence in reverse.
• Create a function that takes a string as input

• Split the string into an array of words

• Reverse the array

• Join the array back into a string and return
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Q1. Can you introduce yourself?
Ans. 
I am a dedicated SDET Automation Test Engineer with 5 years of experience in creating and executing automated test scripts.
• 5 years of experience in automation testing

• Proficient in creating and executing automated test scripts

• Strong knowledge of testing tools like Selenium and JUnit

• Experience in Agile development environment

• Excellent problem-solving skills
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Q2. What are your salary expectations?
Ans. 
My salary expectations are based on my experience, skills, and the market rate for the position.
• Research the average salary range for SDET Automation Test Engineers in the industry

• Consider your level of experience and skills compared to the job requirements

• Factor in any additional benefits or perks offered by the company

• Be prepared to negotiate based on the overall compensation package
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Q1. Find string in array
Ans. 
Search for a specific string in an array of strings.
• Iterate through the array and compare each string with the target string.

• Use a loop to go through each element in the array and check for a match.

• Consider using built-in methods like indexOf() or includes() for efficient searching.

• Handle cases where the target string is not found in the array.
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Q2. Find string in array
Ans. 
Search for a specific string in an array of strings.
• Iterate through the array and compare each string with the target string.

• Use a loop to go through each element in the array and check for a match.

• Consider using built-in methods like indexOf or includes for efficient searching.
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Q3. Subarray in given array
Ans. 
Find all subarrays in a given array of strings
• Iterate through the array and consider each element as the starting point of a subarray

• For each starting point, iterate through the array to find all possible subarrays

• Store each subarray found in a separate list
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Q4. Stack for balance paranthesis
Ans. 
Use stack data structure to check for balanced parentheses in a string.
• Create an empty stack to store opening parentheses

• Iterate through the string and push opening parentheses onto the stack

• When encountering a closing parenthesis, pop from the stack and check if it matches the corresponding opening parenthesis

• If stack is empty at the end and all parentheses have been matched, the string is balanced
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Q5. Mean heap fo minimising the cost
Ans. 
A mean heap is a data structure that minimizes the cost of accessing the smallest element.
• Mean heap is a type of binary heap where the value of each node is less than or equal to the values of its children.

• It is useful for finding the minimum element quickly, as the root node always contains the smallest value.

• Insertion and deletion operations in a mean heap have a time complexity of O(log n).
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Apt and coding test was in first

2 coding questions was ask

Q1. It was on your resume question
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Q2. Hr questions was asked in interview
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Q1. Manual Testing Concepts
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Q2. What are Oops Concepts
Ans. 
Oops Concepts are fundamental principles of object-oriented programming such as Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a function to behave differently based on the object it is acting upon.

• Abstraction: Hiding t...read more
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