Hewlett Packard Enterprise Software Developer Interview Questions and Answers

Multiple choice questions

Q1. Design a classroom management system
Ans. 
A classroom management system to track student attendance, grades, assignments, and communication with parents.
• Track student attendance using RFID cards or biometric scanners

• Record grades for each assignment and calculate overall grade

• Manage assignments and deadlines with notifications for students

• Enable communication between teachers, students, and parents through messaging system
Answered by AI
Add your answer

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. 
Count Inversions Problem Statement
Given an integer array ARR of size N, your task is to find the total number of inversions that exist in the array.
An inversion is defined for a pair of integers in the...read more
Add your answer
Q2. 
Subarray With Given Sum Problem Statement
Given an array ARR of N integers and an integer S, determine if there exists a contiguous subarray within the array with a sum equal to S. If such a subarray exis...read more
Add your answer

Round duration - 60 Minutes
Round difficulty - Easy

This round had 1 question from Linked List in which I had to first explain my approach and then code the solution. This was followed by some questions from OOPS , C++ and OS.

Q1. 
Middle of a Linked List
You are given the head node of a singly linked list. Your task is to return a pointer pointing to the middle of the linked list.
If there is an odd number of elements, return the ...read more
Add your answer
Q2. What do you mean by virtual functions in C++?
Add your answer
Q3. Can you explain the concepts of method overloading and method overriding in object-oriented programming?
Add your answer
Q4. Can you explain the difference between static and dynamic linking in operating systems?
Ans. 
Static linking includes all library modules in the executable file, while dynamic linking loads libraries at runtime.
• Static linking includes all library modules in the executable file, increasing its size.

• Dynamic linking loads libraries at runtime, reducing the size of the executable file.

• Static linking results in faster startup time, while dynamic linking allows for easier updates to libraries.

• Examples of static linki...read more
Answered by AI
Add your answer
Q5. What is a linker error in C++?
Ans. 
A linker error in C++ occurs when the linker is unable to resolve references to functions or variables during the linking phase of compilation.
• Linker errors occur when there are missing definitions for functions or variables that are referenced in the code.

• Common causes of linker errors include forgetting to define a function that is declared, or not including the necessary library or object files.

• Example: If a functio...read more
Answered by AI
Add your answer
Q6. What is the difference between inline functions and macros in C++?
Ans. 
Inline functions are actual functions while macros are preprocessor directives in C++.
• Inline functions are actual functions defined with the 'inline' keyword, while macros are preprocessor directives that are replaced before compilation.

• Inline functions provide type checking and scope resolution, while macros do not.

• Inline functions can have multiple lines of code and can access variables in the scope they are called f...read more
Answered by AI
Add your answer

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. What is something about you that is not included in your resume?
Add your answer
Q2. Why should we hire you?
Add your answer

Round duration - 50 Minutes
Round difficulty - Easy

OOPs concept

Round duration - 80 Minutes
Round difficulty - Medium

OOPs concept.

Polymorphism and its types.

Compile-time polymorphism

Write a code to show operator overloading.

Difference between method overloading and method overriding.

Threading, multilevel scheduling, and its drawbacks and how it can be overcome.

DBMS -sql queries, same data but write using IN instead of WHERE
 

Q1. 
Remove Occurrences of Character from String
Given a string str and a character X, write a function to remove all occurrences of X from the string.
If the character X does not exist in the input string, t...read more
Ans. 
Create a function to remove all occurrences of a given character from a string.
• Iterate through the string and build a new string excluding the specified character.

• Use string manipulation functions to achieve the desired result.

• Handle the case where the character does not exist in the string.

• Return the modified string as the output.
Answered by AI
Add your answer
Q2. 
Subarray With Given Sum Problem Statement
Given an array ARR of N integers and an integer S, determine if there exists a contiguous subarray within the array with a sum equal to S. If such a subarray exis...read more
Add your answer
Q3. 
Character Frequency Problem Statement
You are given a string 'S' of length 'N'. Your task is to find the frequency of each character from 'a' to 'z' in the string.
Example:
Input:
S : abcdg
Output:
1...read more
Add your answer
Q4. 
Find the Duplicate Number Problem Statement
Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...read more
View 1 more answer
Q5. 
Remove Character from String Problem Statement
Given a string str and a character 'X', develop a function to eliminate all instances of 'X' from str and return the resulting string.
Input:
The first lin...read more
Ans. 
Develop a function to remove all instances of a given character from a string.
• Iterate through the string and only add characters that are not equal to the given character to a new string.

• Return the new string as the result.

• Handle edge cases like empty string or character not found in the string.

• Example: Input 'hello world' and 'o', output 'hell wrld'.
Answered by AI
Add your answer

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 arr of length N consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Explanation...read more
Add your answer
Q2. 
Remove Character from String Problem Statement
Given a string str and a character 'X', develop a function to eliminate all instances of 'X' from str and return the resulting string.
Input:
The first lin...read more
Add your answer

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...read more
Add your answer
Q2. Can you explain the concepts of multitasking and multiprogramming?
Add your answer
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...read more
Answered by AI
Add your answer
Q4. What is the difference between a process and a thread?
Add your answer
Q5. What is the main difference between UNION and UNION ALL?
Add your answer
Q6. What are the advantages of using views in a database management system?
Add your answer
Q7. What is the ARP protocol?
Add your answer

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?
Add your answer
Q2. What is something about you that is not included in your resume?
Add your answer