Sree Saradhambal Automobiles Interview Questions and Answers

The questions asked include: 1) Binary Search, 2) Leetcode 3 (Longest Substring Without Repeating Characters), and 3) basic questions about Java and Spring Boot.

Q1. Question related to java basics and Springboot
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Q2. Spring annotations
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Q3. Api validations
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Q4. How to perform asynchronous api calls for microservices
Ans. 
Performing asynchronous API calls for microservices involves using non-blocking operations to improve performance and scalability.
• Use asynchronous programming frameworks like Node.js or Spring WebFlux to handle concurrent API calls.

• Implement callback functions or promises to handle responses from asynchronous API calls.

• Consider using message queues like RabbitMQ or Kafka for communication between microservices.

• Use circ...read more
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Q5. Question related to kafka
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Versent round , speaking ,listing and writing test

Round duration - 70 Minutes
Round difficulty - Medium

There were 5 people in the zoom meet, including me. Rest all 4 were interviewers, 3 from India and 1 from the United Kingdom.
They started with my introduction and then moved on to the questions from my resume, starting with my internship at Samsung Bangalore and then projects.
Then another interviewer asked about my weakness and strength. Then comes the turn of coding questions.
Starting with finding the minimum element in O(1) time, rotating the 2-D array by 90 degrees, OOPS questions were also asked like- polymorphism, abstraction, virtual class. Some OS questions were- cache, paging algorithms.
Then come my POR and other activities.

Q1. 
Kth Smallest Element Problem Statement
You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...read more
Ans. 
Find the K-th smallest element in an array of distinct integers.
• Sort the array and return the element at index K-1.

• Use a min-heap to find the K-th smallest element efficiently.

• Implement quickselect algorithm for optimal performance.
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Q2. 
Inplace Rotate Matrix 90 Degrees Anti-Clockwise
You are provided with a square matrix of non-negative integers of size 'N x N'. The task is to rotate this matrix by 90 degrees in an anti-clockwise directi...read more
Ans. 
Rotate a square matrix by 90 degrees anti-clockwise without using extra space.
• Iterate through each layer of the matrix from outer to inner layers

• Swap elements in groups of 4 to rotate the matrix in place

• Handle odd-sized matrices separately by adjusting the loop boundaries
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Q3. What are the page replacement algorithms in Operating Systems?
Ans. 
Page replacement algorithms are used in operating systems to decide which page to replace when a new page needs to be brought in.
• FIFO (First In, First Out) - replaces the oldest page in memory

• LRU (Least Recently Used) - replaces the page that has not been used for the longest time

• LFU (Least Frequently Used) - replaces the page that has been used the least number of times

• Optimal - replaces the page that will not be used
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Q1. It went well, results awaiting
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Q1. Basic questions about your experience and expectations
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A take home assignment

Related to work experience and project knowledge.

Q1. Coding skill test.
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