Narayana Junior College Software Engineer Interview Questions and Answers

Medium leetcode question on graph was given by third party interviewer BarRaiser

Q1. What is the XPath?
Ans. 
XPath is a query language used for selecting nodes from an XML document.
• XPath stands for XML Path Language

• It is used to navigate through elements and attributes in an XML document

• XPath uses path expressions to select nodes or node-sets in an XML document

• Example: /bookstore/book[1]/title selects the title of the first book in a bookstore
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Q2. Difference between static and non-static?
Ans. 
Static variables are shared among all instances of a class, while non-static variables belong to individual instances.
• Static variables are declared using the 'static' keyword, while non-static variables are not.

• Static variables are initialized only once at the start of the program, while non-static variables are initialized each time an instance is created.

• Static variables can be accessed using the class name, while no...read more
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Q1. Design a distributed system with 10mil users
Ans. 
Design a distributed system to handle 10 million users.
• Use a microservices architecture to break down the system into smaller, manageable components.

• Implement load balancing to distribute user requests across multiple servers.

• Utilize a distributed database to store user data and ensure scalability.

• Implement caching mechanisms to improve performance and reduce database load.

• Use message queues for asynchronous communicat...read more
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Q1. Basic questions for ADF
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Q1. Basic HR round for CTC and notice period
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Good with easy questions

Q1. Questions around my projects
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Q1. Salary discussion round with HR
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Q1. Coding question: Given a sorted array of numbers. All numbers have freq of 2 in array except one number. Find that number with T.C of logn
Ans. 
Find the single number in a sorted array with frequency of 2 for all other numbers.
• Use binary search to find the number with different frequency.

• Check if the mid element is at even or odd index to determine which side to search next.

• Example: Input array [1, 1, 2, 2, 3, 3, 4, 4, 5] should return 5.
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Q2. Print left view of tree
Ans. 
Print the left view of a tree by traversing the tree from left to right at each level
• Traverse the tree using level order traversal

• Print the first node at each level encountered during traversal
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Q1. Detailed discussion on projects
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Q2. Questions on O.S like about deadlocks,etc..
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Subject related case study like i was interviewing for finance and aptitude test

Q1. They ask you about past experience and profile related questions.
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Q2. Knowledge of subject matter like Ind AS, accounting , working in excel
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Q1. Spreadsheet automation
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Q2. Google sheet work
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Q1. Basics introduction your past experience about you all over
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Q2. Tell me about yourself Basics about iit and neet
Ans. 
I have a background in IIT and NEET exams.
• I have successfully cleared the IIT entrance exam and secured admission in a prestigious IIT.

• I have also appeared for the NEET exam and have a good understanding of medical entrance exams.

• My experience with IIT and NEET has given me a strong foundation in problem-solving, critical thinking, and time management.

• I have gained valuable knowledge in subjects like physics, chemistry...read more
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