Hexaware Technologies Software Developer Intern Interview Questions, Process, and Tips

Round duration - 45 Minutes
Round difficulty - Easy

This round was held on Google Meet Video Call at 10 A.M.
There were 2 Interviewers and they were very helpful.

Q1. 
Kth Largest Element Problem
Given an array containing N distinct positive integers and a number K, determine the Kth largest element in the array.
Example:
Input:
N = 6, K = 3, array = [2, 1, 5, 6, 3, ...read more
Ans. 
Find the Kth largest element in an array of distinct positive integers.
• Sort the array in non-increasing order and return the Kth element.

• Handle multiple test cases efficiently.

• Ensure all elements in the array are distinct.
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Q2. Can you draw an E-R Diagram for Uber?
Ans. 
An E-R Diagram for Uber would include entities like User, Driver, Ride, Payment, and Location.
• Entities: User, Driver, Ride, Payment, Location

• Relationships: User requests Ride, Driver provides Ride, Payment for Ride

• Attributes: User ID, Driver ID, Ride ID, Payment ID, Location ID

• Example: User (1) requests Ride (A) from Location (X) to Location (Y) with Driver (Z) providing the Ride and Payment (123) made for the Ride.
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Q3. 
Maximum Sum Path from Leaf to Root
Given a binary tree with 'N' nodes, identify the path from a leaf node to the root node that has the maximum sum among all root-to-leaf paths.
Example:
All the possibl...read more
Ans. 
Find the path from a leaf node to the root node with the maximum sum in a binary tree.
• Traverse the binary tree from leaf nodes to the root while keeping track of the sum of each path.

• Compare the sums of all paths and return the path with the maximum sum.

• Use recursion to traverse the tree efficiently.

• Consider edge cases such as when the tree is empty or has only one node.
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Round duration - 30 Minutes
Round difficulty - Easy

The round was 2nd technical round conducted through Google Meet.
There were 2 interviewers and they were helpful.
Timing was from 11:10 A.M - 12:00 P.M

Q1. 
Add Two Numbers Represented as Linked Lists
Given two linked lists representing two non-negative integers, where the digits are stored in reverse order (i.e., starting from the least significant digit to ...read more
Ans. 
Add two numbers represented as linked lists and return the sum as a linked list.
• Traverse both linked lists simultaneously while keeping track of carry from previous sum

• Create a new linked list to store the sum digits

• Handle cases where one list is longer than the other by adding remaining digits with carry

• Remember to handle the case where there is a carry after adding all digits
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Round duration - 15 Minutes
Round difficulty - Easy

Timing was 12:30 P.M. to 1:00 P.M.
It was held on Google Meet and HR was helpful.

Round duration - 78 minutes
Round difficulty - Easy

My slot was at 4.30 pm on 11 th oct 2020

Q1. 
Fishmonger Toll Optimization Problem
A fishmonger needs to transport goods from a port to a market, crossing multiple states each requiring a toll. The goal is to minimize the toll costs while ensuring th...read more
Ans. 
The Fishmonger Toll Optimization Problem involves minimizing toll costs while ensuring timely delivery of goods from a port to a market.
• Given 'N' states and a time limit 'M', find the smallest toll amount to reach the market from the port within the given time.

• Use dynamic programming to solve the problem efficiently.

• Consider the time and toll matrices to calculate the minimum toll cost.

• Return -1 if it is not possible t
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Round duration - 20 Minutes
Round difficulty - Easy

It happened in the afternoon

Q1. 
Shape and Method Overriding Problem Statement
Create a base class called Shape that contains a field named shapeType and a method printMyType.
Implement two derived classes:
• Square: This class inheri...read more
Ans. 
Create base class Shape with field shapeType and method printMyType. Implement Square and Rectangle classes with calculateArea method.
• Create a base class Shape with shapeType field and printMyType method.

• Implement Square and Rectangle classes inheriting from Shape.

• Include additional fields like length and breadth in Square and Rectangle classes.

• Override printMyType method in Square and Rectangle classes to output the t...read more
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Q2. What are the ACID properties in database management systems?
Ans. 
ACID properties are a set of properties that guarantee the reliability of transactions in database management systems.
• ACID stands for Atomicity, Consistency, Isolation, and Durability.

• Atomicity ensures that either all operations in a transaction are completed successfully or none are.

• Consistency ensures that the database remains in a consistent state before and after the transaction.

• Isolation ensures that the execution...read more
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Round duration - 60 Minutes
Round difficulty - Easy

Q1. Can you write an essay on any topic and present it verbally?
Ans. 
Yes, I can write an essay on any topic and present it verbally.
• Choose a topic that interests you and research it thoroughly

• Create an outline with an introduction, body paragraphs, and a conclusion

• Use clear and concise language to convey your ideas

• Practice presenting your essay verbally to improve your delivery

• Engage your audience by maintaining eye contact and using gestures

• Be prepared to answer questions or discuss yo
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