Walmart Labs Software Developer Interview Questions and Answers

Q1. Oops, basic ,SQL ,ado
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Curd operation with SQL connectivity

Communication skills and basic knowledge on java,

Q1. Why you preferred this job in genpact
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Q2. Basically now a days genpact company is best in past all preferred for tcs, but in my servey genpact company is best because it gives best position for my life. Mostly i love this company where there is a ...read more
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Round duration - 90 Minutes
Round difficulty - Medium

It was in the evening. Coding platform was good. There were 3 coding questions only in the screening round

Q1. 
Triple Sum Problem Statement
Bojack wants to gift Todd a binary tree with N nodes for his birthday. However, the tree is too large, so he decides to select exactly three nodes such that their sum equals a...read more
Ans. 
The task is to determine if it is possible to select three nodes from a binary tree such that their sum equals a given value.
• Traverse the binary tree and store all the node values in an array

• Use three nested loops to iterate through all possible combinations of three nodes

• Check if the sum of the three nodes equals the given value

• If a valid combination is found, return True

• If no valid combination is found, return False
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Q2. 
Inorder Traversal of Binary Tree
You are provided with a binary tree consisting of 'N' nodes, where each node carries an integer value. Your task is to determine the in-order traversal of the given binary...read more
Ans. 
The task is to find the in-order traversal of a given binary tree.
• Implement a recursive function to perform in-order traversal of the binary tree

• Start from the left subtree, then visit the root, and finally visit the right subtree

• Use an array to store the values of the nodes in the in-order traversal
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Round duration - 45 minutes
Round difficulty - Medium

It was conducted in day time. Interviewer shared the jio's platform link where question was there and a function was there which I needed to complete while sharing my screen. Interviewer was very nice in behaviour

Q1. 
Problem Statement: Check Whether Binary Tree Is Complete
You are provided with a binary tree. Your task is to determine if the given binary tree is a Complete Binary Tree.
A Complete Binary Tree is defin...read more
Ans. 
The task is to check whether a given binary tree is a complete binary tree or not.
• A complete binary tree is a binary tree where every level, except possibly the last, is completely filled.

• All nodes in the last level are placed at the left end.

• To check if a binary tree is complete, we can perform a level order traversal and check if any null nodes appear before all non-null nodes in the last level.

• If any null nodes appe...read more
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Round duration - 45 minutes
Round difficulty - Medium

It was conducted in early evening, again it consist of one coding question and some Basic OOP question.

Q1. 
Rat in a Maze Problem Statement
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...read more
Ans. 
The task is to find all possible paths for a rat to reach its destination in a maze.
• The maze is represented as a square matrix of 0s and 1s.

• The rat starts at (0, 0) and the destination is at (N-1, N-1).

• The rat can move in four directions: up, down, left, and right.

• Use backtracking to explore all possible paths.

• Print the paths in alphabetical order.
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Round duration - 45 minutes
Round difficulty - Easy

It was conducted at night like it was 8.00pm . HR was very nice. She asked managerial questions only and asked about my hobbies, experiences, why I want to join jio etc.

Q1. Why do you want to join Jio?
Ans. 
I want to join Jio because of its innovative technology and vast opportunities for growth.
• Jio is known for its cutting-edge technology and I want to be a part of that innovation.

• Jio offers a wide range of career opportunities and growth prospects.

• Jio's strong market presence and success make it an exciting company to work for.

• Jio's focus on digital transformation aligns with my passion for technology.

• Jio's commitment t...read more
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Q2. What will you do if there is a conflict in a team you are working with?
Ans. 
In case of conflict in a team, I would first try to understand the root cause and then facilitate open communication and collaboration to resolve the conflict.
• Listen to all parties involved and understand their perspectives

• Encourage open and respectful communication

• Facilitate a discussion to identify the root cause of the conflict

• Promote collaboration and finding common ground

• Propose potential solutions and encourage c...read more
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