Nutanix Software Trainee Intern Interview Questions and Answers

Q1. Program to find the largest and smallest integer in a program
Ans. 
Program to find the largest and smallest integer in a program
• Iterate through the array of integers to find the largest and smallest values

• Initialize variables to store the largest and smallest values, update them as needed

• Handle edge cases like empty array or array with only one element

• Return the largest and smallest values found
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Q2. Explain internal working of HashMap, what is abstract class
Ans. 
HashMap is a data structure that stores key-value pairs using hashing. An abstract class is a class that cannot be instantiated.
• HashMap uses hashing to store key-value pairs for efficient retrieval.

• Abstract classes cannot be instantiated and can have abstract methods that must be implemented by subclasses.

• Example: HashMap map = new HashMap<>();
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Q1. Which list you will prefer using if you want to create an application that needs constant modification, ArrayList or LinkedList
Ans. 
LinkedList is preferred for constant modification due to faster insertion and deletion times.
• LinkedList is preferred for constant modification because it has faster insertion and deletion times compared to ArrayList.

• LinkedList allows for easy insertion and deletion of elements without the need to shift other elements, making it more efficient for constant modifications.

• ArrayList is better for random access and iteratin...read more
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Q1. String coding question
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Q2. File operations
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Q1. Large scale system design interview
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Two DSA questions related to Arrays & strings

Q1. Design URL shortener
Ans. 
Design a URL shortener service with features like shortening, redirecting, tracking, handling collisions, and providing analytics.
• Use a hashing algorithm to generate unique short URLs from long URLs

• Store mappings of short URLs to original URLs in a database

• Implement a redirect mechanism to direct users to the original URL when accessing the short URL

• Track the number of times each short URL is accessed and store this da...read more
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Q1. SOLID Principles
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Q1. Rate Limiter with possible test cases
Ans. 
Rate limiter is a mechanism to control the rate of requests sent to a server
• Implement a sliding window algorithm to track the number of requests within a specific time frame

• Set a limit on the number of requests allowed per unit of time

• Return an error response when the limit is exceeded

• Test cases: 1. Send requests below the limit - should be successful. 2. Send requests above the limit - should receive an error response
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Q1. Rank teams based on some criteria
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Q1. Job scheduler system design round
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Mcq and sql questions along with core subject mcq

Q1. Dsa question and technical question were asked
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Q2. Duplicates count in an array
Ans. 
Count duplicates in an array of strings
• Iterate through the array and use a HashMap to store the count of each string

• Check if the count of a string is greater than 1, then it is a duplicate

• Return the total count of duplicates found in the array
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Q1. Aptitude AI subject puzzles were asked
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Aptitude+ coding questions

Q1. Online face to face coding tets
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Q1. Didn't attend the round
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