SAP Associate Software Engineer Interview Questions and Answers

It was easy. Only basic questions were asked.

Q1. What was your project?
Ans. 
Developed a web-based inventory management system for a retail company
• Used HTML, CSS, and JavaScript for front-end development

• Utilized PHP and MySQL for back-end development

• Implemented features such as product tracking, order processing, and reporting

• Collaborated with team members to ensure project completion within deadline
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Q2. How can you improve your website?
Ans. 
Improving a website involves optimizing performance, enhancing user experience, and updating content regularly.
• Optimize website speed by compressing images and minifying code

• Enhance user experience by improving navigation and adding interactive features

• Update content regularly to keep information fresh and relevant
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Platform - Hackerrank
time- 90 minutes
2 dsa questions
output- got link for technical interview same day

Q1. Binary tree traversal
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Q2. Longest common subsequence
Ans. 
Longest common subsequence is the longest sequence of characters that appear in the same order in both strings.
• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to store the lengths of longest common subsequences.

• Iterate through the strings and fill the array based on the characters' matches.

• Trace back the array to find the actual longest common subsequence.
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Q1. Medium questions on OOPS
Ans. Questions on polymorphism and a design class question
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Q2. Explain all projects
Ans. Explain in detail and interviewer asked followup questions
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Round duration - 60 minutes
Round difficulty - Medium

This round had 2 questions with Easy to Medium level of difficulty

Q1. 
Problem: Total Area of Overlapping Rectangles
You are given two rectangles situated on a 2-D coordinate plane, which may overlap. Your task is to compute the total area covered by these rectangles.
Input...read more
Ans. 
Calculate total area covered by two overlapping rectangles on a 2-D plane.
• Calculate the area of each rectangle separately using the given coordinates.

• Find the overlapping region by determining the intersection of the two rectangles.

• Calculate the area of the overlapping region by multiplying its width and height.

• Add the areas of the two rectangles and subtract the area of the overlapping region to get the total area cov...read more
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Q2. 
Rearrange Array: Move Negative Numbers to the Beginning
Given an array ARR consisting of N integers, rearrange the elements such that all negative numbers are located before all positive numbers. The orde...read more
Ans. 
Yes, this can be achieved by using a two-pointer approach to rearrange the array with negative numbers at the beginning.
• Use two pointers, one starting from the beginning and one from the end of the array.

• Swap elements at the two pointers if one is negative and the other is positive, and move the pointers accordingly.

• Continue this process until the two pointers meet in the middle of the array.

• The resulting array will ha...read more
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Round duration - 70 minutes
Round difficulty - Medium

Standard DS/Algo round with 2 questions

Q1. 
Middle Node of a Linked List Problem Statement
Given the head node of a singly linked list, return a pointer to the middle node of the linked list. If there are an odd number of nodes, return the middle o...read more
Ans. 
Return the middle node of a singly linked list, considering odd and even number of nodes.
• Traverse the linked list with two pointers, one moving at twice the speed of the other

• When the faster pointer reaches the end, the slower pointer will be at the middle node

• Handle cases for odd and even number of nodes separately

• Return null if the list is empty
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Q2. 
All Prime Numbers Less Than or Equal to N
Given a positive integer N, your task is to return all the prime numbers less than or equal to N.
Note:
1) A prime number is a number that has only two factors:...read more
Ans. 
Return all prime numbers less than or equal to a given positive integer N.
• Iterate from 2 to N and check if each number is prime using a helper function.

• A number is prime if it is not divisible by any number from 2 to its square root.

• Store and return the prime numbers in an array in increasing order.
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Round duration - 30 minutes
Round difficulty - Easy

This was a Technical Cum HR round where I was first asked some basic Java-related concepts and then we discussed my expectations from the company, learnings and growth in the forthcoming years. I would suggest be honest and try to communicate your thoughts properly in these types of rounds to maximise your chances of getting selected.