Aditya Birla Capital Senior Developer Interview Questions and Answers

Medium level round with moderate tough questions

Q1. Medium of stream of numbers
Ans. 
The medium of a stream of numbers is the value that appears most frequently in the stream.
• Calculate the frequency of each number in the stream

• Keep track of the number with the highest frequency

• Return the number with the highest frequency as the medium
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Q2. Core Java questions
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There were three coding questions.

Q1. Could you provide a thorough explanation of the project?
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Q2. OOps Concepts and question from the technical subjects
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Q3. Why Spring Boot
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Q4. JWT Authentication
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Q5. Docker and Kubernetes
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Q1. They grind u in javascript,typescript
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Q2. Html css, angular
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Q3. Deep preparation needed
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Q1. Basic questions about sql and PLSQL topics
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Q2. Scenario based questions and write few sql queries
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Q1. Performance tuning related questions
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Q2. Explain project details
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Q1. Project Architecture
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Q1. Informatica tech questions
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MCQ test consisting of 70 mcqs in 75 minutes from aptitude english and cs fundamentals. If cleared next paper 2 coding qs medium level

Q1. Two sum leetcode problem
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Q2. What problems you faced in your project
Ans. 
I faced challenges with integrating third-party APIs and debugging complex logic.
• Difficulty in understanding and implementing third-party APIs

• Issues with data synchronization between different systems

• Troubleshooting complex logic errors

• Managing dependencies and version conflicts

• Time constraints affecting problem-solving
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Q1. OOP basic about the concept
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Q2. Ms Sql based sql queries
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Q1. How exception handing in api
Ans. 
Exception handling in API involves catching and handling errors that occur during API execution.
• Use try-catch blocks to catch exceptions and handle them appropriately

• Throw custom exceptions to provide meaningful error messages to API consumers

• Use status codes to indicate the outcome of API requests (e.g. 200 for success, 400 for client errors, 500 for server errors)

• Log exceptions to track errors and troubleshoot issues

• ...read more
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Q2. Code for multiplication table
Ans. 
Code to generate a multiplication table in a programming language
• Use nested loops to iterate through rows and columns

• Print the product of row and column for each cell

• Consider formatting the output for better readability
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DP graphs strings it was good

Q1. Reverse a linkded list
Ans. 
Reverse a linked list by changing the direction of pointers
• Start with three pointers: current, previous, and next

• Iterate through the list, updating pointers to reverse the direction

• Return the new head of the reversed list
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Q2. Print fibonacci series
Ans. 
The Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.
• Start with two variables initialized to 0 and 1

• Loop through desired number of iterations, adding the previous two numbers to get the next number

• Print or store each number in the series
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