SAP Software Developer Interview Questions, Process, and Tips

2 uestions- easy medium

Q1. Code for quick sort
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer approach.
• Divide the array into two sub-arrays based on a pivot element

• Recursively sort the sub-arrays

• Combine the sorted sub-arrays
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Q1. Solve a puzzle problem
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Q1. Willing to relocation ? any area of interest to work
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Aptitude coding round hr round time

There are some basic information

Q1. They have to lear about
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The coding round was very simple many did the questions but only 40 were selected. No clue how they selected as many did all the questions.

Q1. Write a function to know if the check-box is checked in javascript.
Ans. 
Function to check if a checkbox is checked in JavaScript
• Use the 'checked' property of the checkbox element

• Access the checkbox element using its ID or class name

• Return true if checked, false if not checked
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Q2. Explain Hashing in detail.
Ans. 
Hashing is a process of converting data into a fixed-size output that represents the original data.
• Hashing is used for data integrity and security purposes.

• Hash functions are one-way functions that cannot be reversed.

• Hash collisions occur when two different inputs produce the same hash output.

• Common hashing algorithms include MD5, SHA-1, and SHA-256.

• Hashing is used in password storage, digital signatures, and blockchai
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Q3. He asked which data structure would you use for a round table conference and mike wants to pass in clock wise direction.
Ans. 
A circular linked list would be the best data structure for a round table conference where Mike wants to pass in a clockwise direction.
• A circular linked list allows for easy traversal in a circular manner.

• Each node in the linked list would represent a person at the conference.

• Mike can start at any node and traverse in a clockwise direction until he reaches his starting point again.

• This data structure also allows for ea...read more
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Q4. What is the difference between Java and C++?
Ans. 
Java is platform-independent and uses automatic memory management, while C++ is faster and allows for more control over memory.
• Java is compiled to bytecode and runs on a virtual machine, while C++ is compiled to machine code.

• Java has automatic memory management through garbage collection, while C++ requires manual memory management.

• Java has a simpler syntax and is easier to learn, while C++ has more complex syntax and ...read more
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Q1. Asked to explain one of my projects clearly.
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Q2. How to implement queue using stack?
Ans. 
Implementing a queue using stack involves using two stacks to simulate the behavior of a queue.
• Create two stacks, one for enqueue and one for dequeue operations.

• For enqueue operation, push the element onto the enqueue stack.

• For dequeue operation, if the dequeue stack is empty, pop all elements from the enqueue stack and push onto the dequeue stack.

• Pop the top element from the dequeue stack for dequeue operation.
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Q3. Detect a loop in a linked list.
Ans. 
Detect a loop in a linked list.
• Use two pointers, one moving at a slower pace than the other.

• If there is a loop, the faster pointer will eventually catch up with the slower one.

• If the faster pointer reaches the slower pointer, there is a loop in the linked list.
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Q4. Find the repeated number in a list of contagious numbers.
Ans. 
Find the repeated number in a list of contagious numbers.
• Iterate through the list and keep track of the numbers seen so far

• If a number is already seen, it is the repeated number

• Use a hash set or dictionary to efficiently check for duplicates

• If the list is sorted, use two pointers to find the repeated number
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Q1. Asked to explain one of my projects clearly.
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Q2. All questions related to project itself.
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Q1. Asked to explain one of my projects.
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Q2. What are your top 3 strengths?
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Q3. Give a real-life example that proves your strengths.
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Q4. Discussion of salary , Location ,role preference.
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2 questions were there medium level

Q1. Reverse a string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string

• Append each character to a new string in reverse order

• Return the reversed string
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Q2. Linked list reversal
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Q1. A technical round with a developer
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Q1. A technical round with a technical Architect
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Q1. Semi technical round with manager
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Hackerrank test

Q1. Question on Hashmap code
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Q2. Question on tree, binary search tree
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Q1. Question on core java
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Q2. Question on Linkedlist
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Q1. Behavioral questions asked by Hiring Manager
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Q2. 2 code questions asked based on strings and matrix
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Q1. Salary discussion and negotiation
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