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Hexaware Technologies Senior Java Developer Interview Questions and Answers
Hexaware Technologies Senior Java Developer Interview Experiences
3 interviews found
I appeared for an interview in Jun 2025, where I was asked the following questions.
- Q1. What is database isolation
- Ans.
Database isolation defines how transaction integrity is visible to other transactions, impacting concurrency and consistency.
Isolation levels include Read Uncommitted, Read Committed, Repeatable Read, and Serializable.
Read Uncommitted allows dirty reads, where one transaction can see uncommitted changes from another.
Read Committed prevents dirty reads but allows non-repeatable reads, where data can change between reads...
- Q2. What is sealed class
- Ans.
A sealed class restricts which classes can extend it, enhancing type safety and control in Java programming.
Introduced in Java 15 as a preview feature and finalized in Java 17.
Allows developers to define a limited set of subclasses, improving maintainability.
Syntax example: `sealed class Shape permits Circle, Square {}`.
Useful in scenarios like defining a hierarchy of types with controlled extensions.
- Q3. Adaptive design pattern
Selected
I applied via Company Website and was interviewed in Feb 2024. There were 3 interview rounds.
(1 Question)
- Q1. Java Springboot Microservices
(1 Question)
- Q1. Questions on Java spring AWS and Kafka
(1 Question)
- Q1. Current salary? Expected salary?
(1 Question)
- Q1. Microservices design patterns
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Software Developer Interview Questions & Answers
Hewlett Packard Enterprise
Anonymous
posted on 24 Feb 2021
I applied via Walk-in and was interviewed before Feb 2020. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. How well can you adapt when there is a change in technology used for a project? Explain your learning initiatives and processes that can be undertaken to ensure the knowledge transfer is done smoothly as e...
- Ans.
I am highly adaptable to changes in technology and have a structured learning process to ensure smooth knowledge transfer.
I stay up-to-date with the latest technology trends and advancements
I am open to learning new technologies and tools
I have a structured learning process that involves researching, reading documentation, and practicing
I collaborate with team members to share knowledge and learn from each other
I atten...
- Q2. Rate your expertise in using database and IDEs. Examples could be Eclipse, MS Visual Studio, Oracle etc.
- Q3. Please brief me about the ITIL framework and how it helps in the application management practices.
- Ans.
ITIL is a framework for IT service management that helps in application management practices.
ITIL stands for Information Technology Infrastructure Library.
It provides a set of best practices for IT service management.
ITIL helps in improving the quality of IT services and reducing costs.
It includes processes for incident management, problem management, change management, and more.
ITIL helps in aligning IT services with ...
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Sep 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Related to JavaScript and angukar
Interview Preparation Tips
Software Developer Interview Questions & Answers
Hewlett Packard Enterprise
Anonymous
posted on 7 Feb 2022
I appeared for an interview before Feb 2021.
(2 Questions)
Round duration - 70 Minutes
Round difficulty - Medium
This round had 40 MCQ's followed by 2 questions of DS and Algo. The programming questions were preety standard and can be solved within 30 minutes.
- Q1.
Maximum Subarray Sum Problem Statement
Given an array
arrof lengthNconsisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.Explanation...
- Q2.
Remove Character from String Problem Statement
Given a string
strand a character 'X', develop a function to eliminate all instances of 'X' fromstrand return the resulting string.Input:
The first lin...
(7 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round had questions from DSA, OS, DBMS and Computer Networks. The programming question was quiet easy and I coded it preety fast after discussing the appropriate approach and complexity analysis.
- Q1.
Intersection of Linked List Problem
You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.
Your task is to determine t...
- Q2. Can you explain the concepts of multitasking and multiprogramming?
- Q3. What is the difference between a process and a program?
- Ans.
A process is an executing instance of a program, while a program is a set of instructions stored in the computer's memory.
A program is a static set of instructions stored on disk, while a process is a dynamic instance of those instructions being executed in memory.
Multiple processes can be running the same program simultaneously, each with its own memory space and resources.
Processes have their own unique process ID (P...
- Q4. What is the difference between a process and a thread?
- Q5. What is the main difference between UNION and UNION ALL?
- Q6. What are the advantages of using views in a database management system?
- Q7. What is the ARP protocol?
(2 Questions)
Round duration - 30 Minutes
Round difficulty - Easy
This is a cultural fitment testing round. HR was very frank and asked standard questions. Then we discussed about my role.
- Q1. Why should we hire you?
- Q2. What is something about you that is not included in your resume?
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
Hexaware Technologies HR Interview Questions
Barath R
I appeared for an interview before Aug 2016.
Interview Preparation Tips
Experience: There were questions on basics of programming and general questions on verbal,reasoning and quantitative.
Tips: Time will be short to answer all so keep watch on time
Round: Group Discussion
Experience: They segregated us in to batches and in our team there were 10 members.
Tips: Easy round
Duration: 15 minutes
Round: Telephonic
Experience: They tested my communication skill in that round
College Name: Dhanalakshmi college of engineering
Interview Questionnaire
6 Questions
- Q1. INPUT : "HI MY NAME IS : ANIRUDDHA , CALL ME MAYBE :)" OUTPUT : "MAYBE ME CALL ANIRUDDHA IS NAME MY HI
- Q2. Reverse a linked list (iterative AND Recursive)
- Ans.
Reverse a linked list using iterative and recursive methods.
Iterative method involves traversing the list and changing the pointers to reverse the order.
Recursive method involves calling the function recursively on the next node and changing the pointers.
Both methods have O(n) time complexity and O(1) space complexity.
Example: 1->2->3->4->5 becomes 5->4->3->2->1.
- Q3. Clone a FULL linked list given a pointer and a random pointer
- Q4. TELL ME ABOUT YOURSELF
- Q5. QUOTE YOUR STRENGHTS AND WEAKNESS
- Q6. WHY SHOULD I HIRE YOU?
Interview Preparation Tips
Experience: 50 QUANTITATIVE APTITUDE QUESTIONS CUTOFF 30 out of 50
Total Questions: 50
Round: Test
Experience: WRITTEN ON PAPER CODING QUESTIONS
1) Given a string like
INPUT : ( ( TRUE OR FALSE ) AND ( FALSE OR TRUE ) ) OR FLASE
OUTPUT: TRUE
EVALUATE THE GIVEN EXPRESSION
2) Print all sub strings of maximum length having 2 unique characters
e.g:
INPUT : "hellomorning"
OUTPUT : "ell","llo","omo","nin"
3) Find the max length of subarray having ZERO SUM
INPUT : {3,2,1,1,0,-2,1,3,-5,1,2,1,4} OUTPUT: 7
Round: Test
Experience: 1) An array has 2N elements with N elements are same and another n are mutually different.
So find this repeating element in O(N) time with O(1) space
INPUT : {1,2,3,1}
OUTPUT: 1
2) Print the common words from given two sentences
AND YOU HAVE TO CONSIDER ALL CASES LIKE Colon, Hyphen, Dash, and Semicolons may be EMBEDDED IN BOTH SENTENCES
INPUT: sentence:1:: "HI ALL,RAMESH is mt brother,he has topped in the exam AND MY NAME IS NOT IN THE LIST"
sentence:2:: "all students are advised to READ THE LIST and say hi to RAMESH"
OUTPUT: "HI","ALL","RAMESH","THE","AND","LIST"
3) Sort the give dates collection given in special format like 10-04-2013,10-05-2005,29-02-2000 IN ASCENDING ORDER
OUTPUT: 29-02-2000,10-05-2005,10-04-2013
Round: Technical Interview
Experience: Then he started talking about my projects,Again jumped into coding questions
1. INPUT : "HI MY NAME IS : ANIRUDDHA , CALL ME MAYBE :)"
OUTPUT : "MAYBE ME CALL ANIRUDDHA IS NAME MY HI"
2. Reverse a linked list (iterative AND Recursive)
3. Clone a FULL linked list given a pointer and a random pointer
Round: HR Interview
Experience: TELL ME ABOUT YOURSELF.
QUOTE YOUR STRENGHTS AND WEAKNESS
WHY SHOULD I HIRE YOU?
College Name: NA
Skills evaluated in this interview
Interview Preparation Tips
Experience: This interview is meant to check candidate's background and candidates's interest towards the company.
College Name: NIT BHOPAL
Interview Questionnaire
9 Questions
- Q1. Input an array and then print the repeating characters?? Example: Input:1,3,23,11,44,3,23,2,3. Output:3,23
- Ans.
The question asks to input an array and print the repeating characters.
Iterate through the array and store each element in a hash table or dictionary.
If an element already exists in the hash table, it is a repeating character.
Print all the repeating characters found.
- Q2. Input an array and prints the second minimum in an array?? Example Input:34,45,21,12,54,67,15 Output:15
- Ans.
Program to find the second minimum in an array.
Sort the array and return the second element.
Initialize two variables to store minimum and second minimum values.
Loop through the array and update the variables accordingly.
- Q3. Find the longest palendrom in a string? Example Input: abfgerccdedccfgfer Output: ccdedcc
- Ans.
To find the longest palindrome in a given string.
Iterate through the string and check for palindromes of odd and even lengths.
Keep track of the longest palindrome found so far.
Use two pointers to check if the substring is a palindrome.
If the substring is a palindrome and its length is greater than the current longest palindrome, update the longest palindrome.
- Q4. Input a number and then find the next higher number such that for both the number (inputted and the next higher number) in binary representation contains equal number os ones. Example: Input:3(000000000000...
- Ans.
Find the next higher number with equal number of ones in binary representation.
Convert input number to binary
Count number of ones in binary representation
Increment input number until binary representation has equal number of ones
Convert incremented number to decimal
- Q5. An array contain 6 different numbers, only 1 number is repeated for 5 times. So now total 10 numbers in array, Find that duplicate number in 2 steps only?
- Ans.
Find the duplicate number in an array of 10 numbers with only 2 steps.
Use a hash set to keep track of visited numbers.
Iterate through the array and check if the number is already in the set.
If it is, then it is the duplicate number.
If not, add it to the set.
At the end, the duplicate number will be found.
- Q6. Write a program to print elements of a linked list in reverse order by using same single linked list?
- Q7. Questions on improving complexity of questions given in coding round
- Q8. Html tags & ct their no of occurance of each tag & also check whether it correct or not?
- Ans.
To check the occurrence and correctness of HTML tags, we can use various tools and techniques.
One way is to use a browser's developer tools to inspect the HTML code and see the tags and their frequency.
Another way is to use an online HTML validator tool that checks for correct syntax and tag usage.
We can also use programming languages like Python to parse HTML and count the occurrence of each tag.
Regular expressions ca...
- Q9. Few questions were on database tables and sql queries?
Interview Preparation Tips
College Name: na
Skills evaluated in this interview
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