TIBCO Software Associate Member Technical Staff Interview Questions and Answers

It was easy basic problems like binary search, array manupulation, finding the minimum and maximum were asked.

Binary search
find min in sorted and unsorted array.
linked list problems insert.
modified binary search.

Q1. Algo and ds are must, any language will do the work prefer java.
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Q2. Why do u want to join us ? what is salary u are expection.
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Q3. The preferred location they asked me.
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Q4. They asked me about my gap in resume.
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Round duration - 60 minutes
Round difficulty - Medium

4 coding questions on hackerrank.

Q1. 
Dice Throws Problem Statement
You are given D dice, each having F faces numbered from 1 to F. The task is to determine the number of possible ways to roll all the dice such that the sum of the face-up num...read more
Ans. 
The task is to determine the number of possible ways to roll all the dice such that the sum of the face-up numbers equals the given 'target' sum.
• Use dynamic programming to solve the problem efficiently.

• Create a 2D array to store the number of ways to achieve each sum with the given number of dice.

• Iterate through the dice and faces to calculate the number of ways to reach each sum.

• Return the result modulo 10^9 + 7.

• Optim...read more
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Q2. 
Stack using Two Queues Problem Statement
Develop a Stack Data Structure to store integer values using two Queues internally.
Your stack implementation should provide these public functions:
Explanation:
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Ans. 
Implement a stack using two queues to store integer values with specified functions.
• Use two queues to simulate stack operations efficiently.

• Maintain the top element in one of the queues for easy access.

• Ensure proper handling of edge cases like empty stack.

• Example: Push elements 5, 10, 15; Pop elements; Check top element.

• Example: Check if stack is empty; Get stack size.
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Q3. 
Maximum Subarray Sum Problem Statement
Given an array 'ARR' of integers with length 'N', the task is to determine the sum of the subarray (including an empty subarray) that yields the maximum sum among al...read more
Ans. 
Find the maximum sum of a subarray in an array of integers.
• Iterate through the array and keep track of the maximum sum subarray ending at each index.

• Use Kadane's algorithm to efficiently find the maximum subarray sum.

• Consider the case where all elements are negative to handle edge cases.

• Example: For input [1, -2, 3, -1, 2], the maximum subarray sum is 4.
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Round duration - 60 minutes
Round difficulty - Medium

My 1st technical round began with a small introduction and a discussion on my projects. After that, my complete interview revolved around Object-oriented principles and 1 basic coding question. The interviewer asked all the pillars of Object-oriented along with use cases and where have I implemented them in my projects.

Round duration - 45 minutes
Round difficulty - Easy

In my 2nd technical round, the interviewer began with the complete discussion of my projects. He asked me everything about them like which technologies I have used, why I have used them, what are the alternatives, what are the real-life applications of these projects. After this, He asked questions on Computer Networks, Operating system, Database Management system and at the end, some of the SQL queries. SQL queries were quite easy, I found one of the queries tricky and harder as compared to other i.e print nth largest salary of the employees. The interviewer also asked me why I was not able to code one of the questions in the coding round. I explained the complete approach of that question and he was quite satisfied. This technical round was of 1 hour long.

Q1. Print the nth largest salary from a given list of salaries.
Ans. 
Find the nth largest salary from a list of salaries.
• Sort the list of salaries in descending order.

• Remove duplicates from the sorted list.

• Return the salary at index n-1 from the sorted list.
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Round duration - 35 minutes
Round difficulty - Easy

There were two panellists in this round and they began with a small introduction. One of them asked me about my capstone project which was based on object recognition task and deep learning. He just told me to explain deep learning in complete detail and how can it be used on my college campus. Then, He asked me what technologies are being used and how I trained my model as the model was quite heavy and computationally intensive. Then, they asked me how I cope up with my team members in the pandemic situation and how I managed to interact with them.

Q1. What are the basic applications of deep learning, and how can I implement it in my college?
Ans. 
Deep learning has applications in image and speech recognition, natural language processing, autonomous vehicles, etc.
• Image recognition - identifying objects in images, used in self-driving cars, medical imaging, etc.

• Speech recognition - converting spoken language into text, used in virtual assistants like Siri, Alexa, etc.

• Natural language processing - understanding and generating human language, used in chatbots, lang...read more
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4 questions, 1 easy, 2 medium, 1 hard.
based on stack, DP and String.

Q1. Based on OOPS 4 pillars.
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Q2. Based on spark and operating system as mentioned in my resume.
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Q3. Mostly on basic topics like DBMS, OOPS, OS, DSA (invert a binary tree, a medium string question).
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Q1. Explain the project done in internship.
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Q2. Explain spark architecture and related questions on architecture.
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Coding test was simple with 3 questions, 1 with SQL and other 2 with dsa questions

Q1. Resume based questions
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Q2. Resume based question
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Python, java, sql along with theoretical knowledge

Q1. Questions on databases
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Q2. Questions on algorithms
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Q3. Coding related questions
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Q1. Tell about yourself.
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Q2. Strengths and weaknesses
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2 coding questions + few MCQ based on java and spring boot

Q1. Java basic questions
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Q2. Spring question
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Q3. Print Matrix in spiral form coding question
Ans. 
Print a matrix in spiral form
• Iterate through the matrix in a spiral pattern, printing each element

• Keep track of the boundaries of the matrix as you move along

• Handle cases where the matrix is not a perfect square separately
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