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VSoft Technologies Java Developer Interview Questions and Answers
VSoft Technologies Java Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
(1 Question)
- Q1. What is lazy loading on hibernate
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
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Interview Questionnaire
2 Questions
- Q1. Simple Case Interview
- Q2. Main case Round
Interview Preparation Tips
Experience: Adaptive DI test. Level of difficulty less than CAT.
Round: Case Study Interview
Experience: This is a very simple case interview. The case was as follows: Client is a micro-lender, they loan funds from a big bank @ 6% SI and loan out the money to farmers at 10% and 20% SI. The segmentation is 60% and 40% respectively. Calculate profit/customer. What is the profit if 2% customers default (uniformly from both segments) on the loan? (Ans: loss incurred)
Tips: This is a very simple round, just stick to the essentials of keeping your structure + calculations neat & clean. Communicate well. You'll get through.
Round: Case Study Interview
Experience: Case: We are a telecom company, planning to launch a new subscription plan. Decide if we should go ahead or not. The plan is as follows: We charge the customers $0.99 for the first 20 minutes and $0.08/minute thereafter. The cost incurred by the company is $0.07/minute. Should we go ahead with the plan?
You will be asked to draw a graph between Profit and minutes spent on a call. To come to a decision you might ask the interviewer for some more data like the distribution or the average time spent by a customer on a call. But none of this is information can be used to decide if we should go ahead with the plan. Unless you have a distribution of percentage of customers vs time spent on an avg call, you can not decide the fate of the plan.
On our campus, almost everybody answered a yes(go ahead) or a no for the plan and still got rejected. I think the actual answer is "None of the above. With the present information nobody can predict if the plan will be profitable in the long run.
Please do not say we can use historical data to come to a conclusion, I did, the question he then posed to me is can we really use historical data to predict the usage pattern of this plan by our customers?? The answer is no, we can not use historical data, as the customers will have an incentive to speak for close to 20 minutes per call.
I also looked at the problem from a customers point of view to check if a customer has an incentive to pick this plan over the others. I asked for the cheapest plan/s out in the market currently, so the interviewer told me that the cheapest plan cost the customer $0.08/minute.
After getting this data, I looked at intersection of the time band at which it becomes cheaper for the customer to pick our plan over the 8 cents plan and the time band which is profitable for us.
I came to the conclusion that the band is very narrow to be profitable and that I do not think that it will generate net profits. So we should not go ahead with the plan.
I assumed that there wont be a large chunk of customers in the above mentioned time band. This is what I think my mistake was.
I believe there is no way of definitely saying whether we should go ahead or not. Hence the answer must be Cant be Determined.
FYI: I also suggested him to launch it in a small region/zone so as to figure out the distribution of customers. No good.
Skills:
College Name: IIT Kanpur
Motivation: Chill out workplace. No pressure of work. But no future either :P wont land you in a great B-school. This is just an office opened by a recently grown American company. They have an office in India just to show the Investors that they plan on expanding and are investing in India and Philippines. I don't think the real work happens here. This might sound like a rant, but you should go ahead and prepare for this company. Its one of the best options straight out of college. Or to settle down or if you like to chill a lot....
Divyesh Mistry
Interview Questionnaire
6 Questions
- Q1. Finding the average profit on a given loan
- Ans.
To find the average profit on a given loan, divide the total profit by the number of loans.
Calculate the total profit earned on the loan
Determine the number of loans
Divide the total profit by the number of loans to find the average profit
Example: If the total profit earned on 10 loans is $1000, the average profit per loan is $100
- Q2. Choosing between two marketing schemes
- Ans.
When choosing between two marketing schemes, it's important to consider the target audience, budget, and goals.
Consider the target audience and which scheme would be more appealing to them
Evaluate the budget and determine which scheme is more cost-effective
Assess the goals of the marketing campaign and choose the scheme that aligns best with those goals
Conduct market research to gather data on the effectiveness of each...
- Q3. Economics of setting up a new ATM
- Ans.
Setting up a new ATM involves various costs and considerations such as location, equipment, maintenance, and security.
Location is a crucial factor in determining the success of an ATM. It should be easily accessible and visible to potential users.
Equipment costs include the ATM machine, software, and communication systems.
Maintenance costs include regular servicing, cash replenishment, and repairs.
Security measures suc...
- Q4. Tell us a time when you asked your peers for help and what was the result
- Ans.
I asked my peers for help when I was struggling with a project deadline.
I explained my situation and asked for their input
They were able to offer suggestions and resources that helped me meet the deadline
I expressed my gratitude and offered to return the favor in the future
- Q5. Tell us a time when you had to learn something new for an assignment/project
- Ans.
I had to learn a new programming language for a project
Researched online resources and tutorials
Practiced coding exercises to gain proficiency
Collaborated with team members who were experienced in the language
Implemented the language in the project successfully
- Q6. Tell us a time when you delivered results in a short deadline while working in a team
- Ans.
I led a team to complete a project in 3 days instead of 5
Set clear goals and priorities
Divide tasks among team members based on strengths
Communicate regularly to ensure progress and address issues
Worked overtime to meet the deadline
Received positive feedback from the client
Interview Preparation Tips
Experience: The test basically involved solving 15 Data interpretation questions. The test was pretty easy, and hence accuracy was very important to qualify for the next round.
Tips: Solving DI questions from any CAT practice book will be more than enough. The actual questions in the test are much easier. Just be read the question carefully and you will be able to solve it.
Total Questions: 15
Round: Case Study Interview
Experience: Initially the interviewer tests your basically conceptual knowledge regarding the cost and revenue streams for a loan and then expects you to calculate the average profit given the required data. This was a pretty small interview lasting only about 10-12 minutes or so.
Tips: Keep conversing with the interviewer and clarify any doubts. Do not mess up with the calculation.
Round: Case Study Interview
Experience: Again, the interviewer tests your basic understanding regarding making a decision to select between two marketing schemes. Then, after being provided relevant information, you are expected to make an informed decision, do the break-even analysis and plot a graph.
Tips: You need to show the interviewer your grasp of business concepts. A good knowledge about economics and a business acumen helps. The math is easy, just be careful not to mess it up. Also, keep conversing with the interviewer and help him understand your line of thinking, this would enable him to assist you and get you on the right path.
Round: Case Study Interview
Experience: You are expected to do the math to assess the profitability of an ATM and qualitatively discuss the factors to be considered while setting up a new ATM.
Tips: Again, think aloud and use your common sense if ever you feel that you do not know an answer. But mainly be confident.
Round: Behavioural Interview
Experience: The interviewer is very friendly and it is more of a chat than an interview. Also, they will get into the specifics of the example you provide just to understand the situation better and to know how you handled the situation.
Tips: Be well prepared with all the general HR and behavioral questions and think about specific examples that you would like to bring up.
General Tips: To sum it up, more than anything, just be confident.
Skill Tips: If you are selected for the interview, chances are that you already have the necessary math skills to succeed. Remember, the only things which are going to get you through are confidence, alertness and business acumen.
Skills: Confidence, Communication, Basic Mathematics
College Name: IIT Bombay
Software Developer Interview Questions & Answers
CapitalOne
VINAY KUMAR REDDY C
posted on 30 Aug 2016
I applied via Campus Placement
Interview Questionnaire
1 Question
- Q1. Task Scheduling
Interview Preparation Tips
Experience: Questions are very basic and easy to answer .Algorithms should be implemented on spot but they are also standard ones
Tips: read Richie and kernigan
Duration: 60 minutes
Round: Technical Interview
Experience: Nice question and very hard to solve .Though it is a standard problem but requires spontaneous thinking because there are some restrictions for it
Tips: Read cormen
General Tips: Learn all basic algorithms and be confident.
Skill Tips: Solve some puzzles
Skills: Problem Solving Skills, Approaching A Problem
Duration: 2
College Name: IIT Madras
Motivation: i like data engineering profile
I applied via Campus Placement
Interview Questionnaire
3 Questions
- Q1. Money Lending Business
- Q2. Customer Acquisition (Break Even Analysis)
- Q3. Customer Delinquency and Fraud Management
Interview Preparation Tips
Experience: Resume Shortlist was strictly done on the basis of CGPA ! All candidates with CGPA 7.0 and above were shortlisted for the test.
Round: Test
Experience: A total of 30 questions were given to completed in a short span of 35 minutes. A set of 5-6 questions were based on a set of three graphs (generally line chart, pie chart, bar graph). Questions were based on simple calculations and test was aimed at keeping a check on accuracy and speed of the candidate
Tips: Practice a few Data Interpretation exercise to understand the graphs easily.
Duration: 35 minutes
Total Questions: 30
Round: Case Study Interview
Experience: The case was about Market entry for a Money Lender in a village. The case included identification of potential customer segment, revenue streams. Then there was some data provided regarding the interest and various kind of loan models that would be used by the lender. I was then asked to work on the profitability. This case was more on the qualitative side.
Tips: - Keep communicating with the interviewer. Involve him in the case solving process.
- If at any point of time, you are unsure about the approach you are following, ask the interviewer.
Round: Case Study Interview
Experience: The case was about a credit card company who uses various kind of marketing strategies (mail, calls etc) for customer acquisition. The interviewer started with the discussion on the marketing techniques. The data included costs, acquisition rate, and the average profits. I was asked to calculate the break even point.
The case was numerical and easy to crack once the data was provided.
Tips: - Calculate accurately. Never answer wrong because of the speed.
Round: Case Study Interview
Experience: The case was about a bank who was observing a higher delinquency rate and fraud. The data provided was about loss per customer, average revenue etc. The case typically numerical after some discussion on strategy about reducing fraud.
Skills: Speed, Accuracy, Ability To Analyse
Duration: 2
College Name: IIT Kharagpur
Motivation: Good Perks, Big Brand.
Interview Questionnaire
1 Question
- Q1. Profitability analysis in the credit cards business
- Ans.
Profitability analysis in the credit cards business involves evaluating the financial performance and returns generated by credit card operations.
Profitability analysis helps assess the effectiveness of credit card strategies and identify areas for improvement.
Key metrics for profitability analysis include net interest margin, fee income, credit losses, and operating expenses.
Comparing profitability across different cu...
Interview Preparation Tips
Duration: 30 minutes
Total Questions: 35
Round: Case Study Interview
Experience: One mini calculative case interview and 2 major calculative
General Tips: Don’t relax too much and do prepare religiously inspite of whether or not your wingie or close friend is taking placements seriously. Also, do help out your wing mates once you are done with yours. There is no better joy than seeing a close friend landing up a dream job. Most importantly, never lose hope. This comes from a 7.1 who failed to make into the shortlists of every company for internships and still landed a job within the first 3 hours on the first day. Just keep believing you’ll do well and you would.
College Name: IIT Kanpur
Interview Preparation Tips
Experience: After the 4th round, they told me that they were making me an offer, and that was a big moment of relief for me.
General Tips: Prepare well for the GDs’ and interview because, a good CV only takes you to the interview and becomes irrelevant after that. Only preparation matters in selection. Also, prioritize your sectors based on your interest, and profile. Be realistic and practical while doing this. Also, If possible, keep one or two options ready beforehand (Ph.D., MBA, civil services, startup/family business) in case you are not able to crack a good job as it prevents you from getting panic. Also, if you are shortlisted in multiple companies in a single slot, do take a friend with you to manage everything. Never be overconfident if you have a very good CV. There have been various instances where many so-called high profile people have struggled with placements due to lack of preparation. Also, do not waste your time preparing for all the sectors, as you won’t be able to become a master in any of them.
Skills:
College Name: IIT Kanpur
RAJIVTEJA NAGIPOGU
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. Given an array of numbers find the subset of numbers that give zero sum.
- Ans.
Find subset of numbers in array that sum up to zero.
Use a nested loop to iterate through all possible subsets.
Calculate the sum of each subset and check if it equals zero.
Store the subset if the sum is zero.
Optimize the solution by using a hash set to store the cumulative sum of elements.
- Q2. Explain how bfs works?
- Ans.
BFS (Breadth-First Search) is a graph traversal algorithm that explores all the vertices of a graph in breadth-first order.
BFS starts at a given vertex and explores all its neighbors before moving to the next level of vertices.
It uses a queue data structure to keep track of the vertices to be visited.
BFS guarantees that it visits all the vertices of a connected graph.
It can be used to find the shortest path between two...
- Q3. Discussion on the projects I have done.
- Q4. Question on Linked List.
- Q5. Project Discussion
- Q6. Strengths and weaknesses. Where do you see yourself in 5 years?
- Ans.
In 5 years, I see myself as a highly skilled software developer, leading a team and contributing to innovative projects.
Continuously improving my technical skills through learning and hands-on experience
Taking on leadership roles and mentoring junior developers
Contributing to the development of cutting-edge software solutions
Building strong relationships with clients and stakeholders
Staying updated with the latest indu...
Interview Preparation Tips
Experience: I couldn't find an optimal approach to the first question, so she skipped that question and proceeded to next questions. Remaining questions I have answered satisfactorily.
Round: Technical + HR Interview
Experience: I told that my strength is problem solving and I can always find a way when there is a bottle-neck. Gave some examples of my experiences while doing my assignments.
College Name: IIT Madras
Skills evaluated in this interview
I applied via Campus Placement
Interview Preparation Tips
Experience: Aptitude questions were logical, not tough. For coding, one question, not basic but very logical.
Tips: for coding part try practicing on hackerrank.
Duration: 45+30 minutes
Total Questions: 20+1
Round: Technical Interview
Experience: Interviewer asked all about Linked list and Data structures and algorithm.
Tips: Atleast try learning some basic concepts of linked list, stacks, queues and binary tree.
General Tips: Interview was fair, without any partiality for girls/boys or B.Tech/Dual.
Skill Tips: Be confident and reply frankly. Never let them know that you are nervous.
Skills: Confidence
Duration: 2.5
College Name: IIT Madras
Funny Moments: "Lets go for a walk". HR interviewer will take you for a round to ask you HR questions.
Please prepare for two questions "Tell me something about you" and "Why PayPal, why not any other company".
Interview Questionnaire
9 Questions
- Q1. Explain the concepts of Object Oriented Programming
- Ans.
Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.
Encapsulation: bundling data and methods that operate on that data within one unit
Inheritance: creating new classes from existing ones, inheriting their properties and methods
Polymorphism: ability of objects to take on multiple forms or behaviors
Abstraction: hiding complex implementation details and providing a simp...
- Q2. Give examples of abstraction and polymorphism
- Ans.
Abstraction is hiding implementation details while polymorphism is using a single interface for multiple types.
Abstraction: Encapsulation, Interfaces, Abstract classes
Polymorphism: Method Overloading, Method Overriding, Interfaces
Abstraction Example: Car - we don't need to know how the engine works to drive it
Polymorphism Example: Animal - different animals have different sounds but they all have a 'makeSound' method
- Q3. A simple design question to design classes
- Ans.
Design classes for a simple library management system with books and users.
Class Book: Attributes include title, author, ISBN, and availability status.
Class User: Attributes include name, user ID, and a list of borrowed books.
Class Library: Methods to add/remove books, register users, and manage book loans.
Example: Book class could have a method to check availability before loaning.
- Q4. What does PayPal do?
- Ans.
PayPal is an online payment system that allows individuals and businesses to transfer funds electronically.
Allows users to make payments and money transfers online
Offers a secure and convenient way to pay for goods and services
Provides a platform for businesses to accept payments online
Offers buyer and seller protection for eligible transactions
Can be used to send and receive money internationally
- Q5. A simple Machine learning question to use thresholding
- Ans.
Thresholding is a technique in machine learning used to classify data based on a defined cutoff value.
Thresholding converts continuous data into discrete classes.
Example: In image processing, pixels above a certain intensity are classified as 'foreground'.
In binary classification, a threshold can determine if an output is 'positive' or 'negative'.
Choosing the right threshold is crucial for model performance; it can aff...
- Q6. Questions about Software Defined Networking and my project in that field
- Q7. Questions about my internships at a startup and USC
- Q8. Am I considering going for masters
- Q9. What makes you want to join PayPal?
- Ans.
I am excited to join PayPal because of its innovative culture and impact on the global economy.
PayPal's commitment to innovation aligns with my passion for staying up-to-date with the latest technologies.
I am impressed by PayPal's global reach and impact on the economy, and I want to be a part of that.
I appreciate PayPal's focus on diversity and inclusion, and I believe in the importance of working for a company with s...
Interview Preparation Tips
Experience: The aptitude test consisted of about 20 questions and had just 20 minutes. The questions were tough and you need speed to solve them. People preparing for CAT and other such exams should be able to perform better. The max score among my batch was 7 or 8.
The coding question was paper based and you had to write C code for a simple question on paper, but design was also taken into account for evaluating the code.
Tips: Both get disheartened if you don't do well in the aptitude.
Duration: 60 minutes
Total Questions: 21
Round: Technical Interview
Experience: The interview was more like a discussion rather than a question answer round. The discussion always went quite off the topic and the interviewer went on to ask other concepts of OS and networks etc.
Tips: Be thorough with the core concepts in subjects like OS and networks
Round: Technical Interview
Experience: This interview was a little more of marketing PayPal to me than an interview. He however slipped in the questions given above. The machine learning question was a little too obvious to apply thresholding and I wasted time trying to get better algorithms when he expected only thresholding.
Tips: Do not tell you are the topper if you are, because I did and he clearly said they don't hire toppers!
Round: HR Interview
Experience: This interview was more to get the truth out of me. I have a very research oriented profile and that was evident from my resume. The interview was to find out whether I would really join their company if offered.
Tips: If you have a high CG and research experience but still want to go for a job, make sure you tune your resume to prune out the research and only market the side which the company looks for, otherwise the company will reject you.
Skills: Computer Science Concepts, OS, Networks, OOP, Machine Learning
College Name: IIT HYDERABAD
Motivation: Just as a backup since I was indeed planning for a masters program. Highest paying package among the companies at that time.
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