Blue Ball Technologies 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
It was Todd’s Birthday, So Bojack decided to give Todd a Binary tree with ‘N’ nodes. But the binary tree was too big to keep in his house, so Bojack decided to give exactly three nodes from that...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
You have been given a Binary Tree of 'N' nodes, where the nodes have integer values. Your task is to find the In-Order traversal of the given binary tree.
For example :
For the...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. Check Whether Binary tree Is Complete
You are given a binary tree. Your task is to check whether the given binary tree is a Complete Binary tree or not.
A Complete Binary tree is a binary tree whose ever...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
You are given a starting position for a rat which is stuck in a maze at an initial point (0, 0) (the maze can be thought of as a 2-dimensional plane). The maze would be given in the form of a...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. Basic HR question
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. Basic HR Question
What will you do if there is some conflict in a team were you working?r
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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