ANR Software Private Limited Junior Java Developer Interview Questions and Answers

Q1. Oops, Interfaces, Exception Handling, Collections, SQL, etc
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Q2. Coding Question - Find 2nd largest element in array with least time complexity
Ans. 
Find the 2nd largest element in an array with the least time complexity.
• Sort the array in descending order and return the element at index 1.

• Initialize two variables to keep track of the largest and second largest elements.

• Iterate through the array and update the variables accordingly.

• Return the second largest element.
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Q1. Coding Question - print * matrix
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Q2. HashMap, HashSet, Spring, Spring Framework, Microservices, etc
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Q1. Basic Details, CTC Info
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Q2. Tech Stack, Challenges Faced in career
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Aptitude test

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Q1. Puzzle , sql related questions
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Q1. DS Algo, Backend and DB
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Q2. Stack(DS) question and DB based questions
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Q3. Scaling (Horizontal, Vertical) with use cases
Ans. 
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
• Horizontal scaling involves adding more machines to a system to increase capacity

• Vertical scaling involves adding more resources to a machine to increase capacity

• Use cases for horizontal scaling include handling increased traffic or adding redundancy

• Use cases for vertical sca...read more
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It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
Ans. 
To remove the last element from a linked list, iterate to the second last node and update its next pointer to null.
• Iterate through the linked list to find the second last node

• Update the next pointer of the second last node to null
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Q2. Some basic questions on oops dbms and os
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2 questions of DSA medium to hard

60mintues DSA level coding exam