SAP Interview Questions, Process, and Tips

Q1. I was asked about my previous profile.
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Q2. I was asked regarding some of the work done.
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45 minutes
arrays, strings,
SHL

Q1. Find number of nodes in a tree and it's time complexity
Ans. 
To find number of nodes in a tree, perform a depth-first or breadth-first traversal and count the nodes. Time complexity is O(n).
• Perform a depth-first or breadth-first traversal of the tree

• Count the nodes as you traverse the tree

• Time complexity is O(n) where n is the number of nodes in the tree
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Q2. What is abstraction and how do you implement it ??
Ans. 
Abstraction is the concept of hiding complex implementation details and showing only the necessary information.
• Abstraction allows developers to focus on the essential features of an object or system.

• It helps in reducing complexity and improving efficiency in software development.

• Implement abstraction in programming by using abstract classes and interfaces.

• Example: In a car, we don't need to know the internal workings o...read more
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Q1. What is the minimum number of coins to reach the target with the coins 1,2,5
Ans. 
The minimum number of coins to reach a target amount can be calculated using dynamic programming.
• Use dynamic programming to calculate the minimum number of coins needed to reach the target amount.

• Start by initializing an array to store the minimum number of coins needed for each amount from 0 to the target amount.

• Iterate through the coin denominations and update the minimum number of coins needed for each amount based
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Q2. Byte stream to human readable format without using library
Ans. 
Convert byte stream to human readable format without using library
• Iterate through the byte stream and convert each byte to its ASCII character representation

• Concatenate the ASCII characters to form the human readable format

• Handle special characters and edge cases appropriately
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Q1. Features of new Java versions?
Ans. 
New Java versions introduce various features and improvements for developers.
• Java 8 introduced lambda expressions and the Stream API for functional programming.

• Java 9 added the module system to improve code organization and security.

• Java 10 included local variable type inference for cleaner code.

• Java 11 introduced the HttpClient API for easier HTTP communication.

• Java 12 added switch expressions for more concise code.

• Ja...read more
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Q2. Hash map, hashing and internal working of collision handling
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Q1. Lru cache and its implementation in java
Ans. 
LRU cache is a data structure that stores the most recently used items, discarding the least recently used items when full.
• Use a LinkedHashMap to implement LRU cache in Java

• Override removeEldestEntry method to limit the size of the cache

• Accessing an element updates its position in the cache
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Q2. In depth discussion on basic of java
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Q1. Why sap and what if we offer less compensation
Ans. 
I chose SAP because of its industry-leading reputation and comprehensive suite of solutions. If offered less compensation, I would consider the overall growth opportunities and work-life balance.
• SAP is a widely used enterprise software with a strong market presence

• SAP offers a wide range of solutions for various industries, providing valuable experience and skill development

• Consider the overall growth opportunities, wo...read more
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Q2. About current project and ways you would make it better
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Q1. Implement stack using other data structures
Ans. 
Implement stack using array or linked list
• Use an array or linked list to store elements in the stack

• Implement push() and pop() functions to add and remove elements from the stack

• Maintain a pointer to keep track of the top element in the stack
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Q2. Current project and what technology you are using
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Q1. What motivates you to join sap
Ans. 
I am motivated to join SAP because of their reputation for innovation, global impact, and opportunities for growth.
• SAP is a global leader in enterprise software solutions, offering cutting-edge technology and opportunities to work on impactful projects.

• I am excited about the chance to work with a diverse team of talented individuals and learn from industry experts.

• SAP's commitment to innovation and continuous learning ...read more
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Q2. What is your top priority while choosing new job
Ans. 
My top priority while choosing a new job is growth opportunities and a positive work culture.
• Opportunities for career advancement and skill development

• Positive work environment and company culture

• Alignment with personal values and goals

• Competitive compensation and benefits

• Work-life balance
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Q1. Explain the Archiving process
Ans. 
Archiving process involves storing data in a secure and organized manner for future reference.
• Archiving involves selecting and identifying data to be stored

• Data is then transferred to a secure storage location

• Metadata is added to the archived data for easy retrieval

• Regular maintenance and updates are necessary to ensure data integrity

• Examples: Archiving old emails, backing up files to a cloud storage service
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Q2. RFC configuration and issues
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Q1. Client handling issues and resolution
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Q2. Critical issues faced
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Q1. Questions on Selenium concepts and programs
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Q1. Questions on sql,projects , qa methodologies
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Q1. Managerial questions
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Easy level DSA question

Q1. In this round interviewer is mainly focused on OOPs concepts, like, operator overloading, polymorphism, and also have a brief discussion on project.
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Q1. Interviewer asked ML questions and SQL query.
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Q2. What is HTTP and HTTPS and their difference.
Ans. 
HTTP is a protocol used for transferring data over the internet, while HTTPS is a secure version of HTTP that encrypts data.
• HTTP stands for Hypertext Transfer Protocol and is used for transmitting data over the internet.

• HTTPS stands for Hypertext Transfer Protocol Secure and adds a layer of security by encrypting the data being transmitted.

• HTTPS is commonly used for secure online transactions, such as online banking or...read more
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Q3. Difference between CPU and GPU, which is good and why?
Ans. 
CPU is a general-purpose processor for executing tasks sequentially, while GPU is specialized for parallel processing, making it better for graphics and AI.
• CPU is designed for general-purpose computing tasks, executing instructions sequentially.

• GPU is specialized for parallel processing, making it more efficient for graphics rendering and AI tasks.

• CPU typically has fewer cores but higher clock speeds, while GPU has man...read more
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