Shaant Infosystems Software Developer Interview Questions and Answers

2 coding questions and a few MCQs

Q1. Asked to explain and optimise my solution from coding test
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Q1. Behavioral round. Asked about resume.
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Q1. General HR round and trying to find if you're a right fit for the company
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Leetcode 3234 question

Q1. Java question about oops concept
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Q2. Dsa problem k connected airports
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Q1. Why u want to join walmart
Ans. 
I want to join Walmart because of its reputation as a leading retail company with a strong focus on technology and innovation.
• Opportunity to work on cutting-edge technology projects

• Chance to contribute to a well-known and respected company

• Desire to be part of a team that values innovation and growth
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Q1. Arrays problems
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Q2. Sliding window problem
Ans. 
Sliding window problem involves finding a subarray of fixed size k with maximum sum.
• Use a sliding window approach to iterate through the array and calculate the sum of each subarray of size k.

• Keep track of the maximum sum encountered so far.

• Move the window by one element at a time and update the sum accordingly.

• Example: Given array [1, 3, -1, -3, 5, 3, 6, 7] and k = 3, the subarray with maximum sum is [5, 3, 6] with su
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Q1. Laravel based questions
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Q1. Basic questions
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2 coding questions from dsa. one quest was from trees ds

Q1. Why did you choose target
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Q2. Minus points in you that you can share with us
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Q1. Why string arr immutable
Ans. 
String arrays are immutable because they cannot be changed once created.
• Strings in an array cannot be modified individually

• Any changes to a string array result in a new array being created

• Immutable arrays ensure data integrity and prevent unintended side effects
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Q2. How we can create a custom immutable class
Ans. 
To create a custom immutable class, use final keyword for class, private final fields, and no setter methods.
• Use the final keyword for the class to prevent inheritance

• Declare all fields as private and final to prevent modification

• Do not provide setter methods for the fields to maintain immutability

• Provide getter methods to access the fields
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The test was quite simple but the interviewer was not ready to accept the solution. Even with complete dry run and working output he denied the solution giving a very vague reason.

Q1. In this design round , they asked me to demonstrate how to build cowin app. Gave a complete overview including HLD and LLD for each showcased feature still got negative response.
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30mins good easy 2 problems

Prepare dsa and focus on coind