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Oxigen Services Interview Questions and Answers
3 interviews found
Anonymous
2 Interview Rounds
Resume Shortlist Round
One-on-one Round (2 Questions)
- Q1. Why do you want to work with us Add Answer
- Q2. How will you contribute to our success Add Answer
Interview Preparation Tips
I applied via Referral and was interviewed before May 2021.
2 Interview Rounds
Resume Shortlist Round
One-on-one Round (1 Question)
- Q1. Asked questions about the previous experience and knowledge of Geography Add Answer
Interview Preparation Tips
Muneer khan
3 Interview Rounds
Interview Preparation Tips
Experience: 1. Find the sum of all non repeating element.
2. Find the next smallest number of a given number by swapping the digits of the number.
Duration: 40 minutes
Total Questions: 2
Round: Technical Interview
Experience: 1.tell me about yourself.
2. Explain the previous round questions.
3. I was asked some question from their presentation and from my resume
Round: Technical Interview
Experience: 1. What is trie, write code to create and implement a dictionary.
2. Write code to create function getWord(string str) ,which take string as input and return list of all the words starting with string present in our dictionary .eg str=”mo” so it should return everything starting with “mo”
3. What is final, finally, finalize in java.
4. What is third normal form.
5. What is denormalization.
6. What is left outer join, right outer join, inner join etc.
7. What is virtual and pure virtual function in c++.
8. What is copy constructor.
9. what is b-tree
10 .diff b/w get post
11. http and https
Skills: Mysql, Database, Java Programming, OOPS Using C++, Algorithms And Data Structures
College Name: NIT Delhi
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement and was interviewed in Nov 2024.
2 Interview Rounds
Aptitude Test Round
Soo easy aptitude exam asked questions
Technical Round (3 Questions)
- Q1. What is oops in Java,fibo, and sorting View Answers (1)
- Q2. Why is garbage collector is used in java etc more of java questions Add Answer
- Q3. Can main can be overloaded and overrided View Answers (1)
Interview Preparation Tips
4 Interview Rounds
Coding Test Round
The first round was a coding test, which was outsourced to an external vendor. I was asked 2 basic DSA questions, and there was discussions around the time and space complexity, and scope of optimizing the solutions. Post that there were a few questions around Spring Boot features and basic system design. The interviewer was professional throughout the interview, and the interview process felt more like a discussion, as compared to the standard interview process.
Coding Test Round
There was another round of coding - this time conducted by the organization itself. It consisted of a medium level DSA question on stacks. I wrote the code on my personal IDE and executed it there itself. The interviewer discussed about the possible edge cases and how I would deal with them. Post solving the question I was asked about my previous projects.
Technical Round (3 Questions)
- Q1. Discuss in detail about a scenario where a challenging production issue was handled. Add Answer
- Q2. What are your responsibilities as a senior / team lead in the current organization? Add Answer
- Q3. How did you handle conflicts with junior engineers and reporting managers? Add Answer
Group Discussion Round
This was the final round where the discussion was largely around system design and HLD. It started off with questions are system design patterns and concepts. Then I was asked to design a booking design, with discussions around concurrency control and transaction management.
Interview Preparation Tips
1 Interview Round
Technical Round (2 Questions)
- Q1. Froud company beware Add Answer
- Q2. After cleared all round they kept you on hold and after offer letter they revoke offer letter any time Add Answer
Interview Preparation Tips
3 Interview Rounds
One-on-one Round (2 Questions)
- Q1. Tell me about yourself View Answers (1)
- Q2. What is your greatest strength View Answers (1)
One-on-one Round (2 Questions)
- Q1. Tell me about yourself View Answers (1)
- Q2. What is your greatest weakness View Answers (1)
One-on-one Round (2 Questions)
- Q1. Feafeafgeg geage Add Answer
- Q2. G eg rg r Add Answer
I applied via Referral and was interviewed in Oct 2024.
1 Interview Round
Coding Test Round
SQL Joins and Window functions in SQL
Asked about Stored Procedures and implementations
Tableau LOD's
Tableau Parameters
Interview Preparation Tips
- SQL
- Database
- Tableau
- Excel
Selected
I applied via Recruitment Consulltant and was interviewed in Jun 2024.
1 Interview Round
Technical Round (7 Questions)
- Q1. Hadoop architecture Add Answer
- Q2. Spark architecture Add Answer
- Q3. Difference between stage and task View Answers (1)
- Q4. Sql questions to solve Add Answer
- Q5. Scoop Add Answer
- Q6. Action and transformation in pysaprk View Answers (1)
- Q7. Difference between rdd and dataframe View Answers (1)
Interview Preparation Tips
I applied via Company Website and was interviewed in Oct 2024.
1 Interview Round
Coding Test Round
Asked to write a bank application - which includes adding,removing,transferring of money
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