UKG Software Development Engineer Intern Interview Questions and Answers

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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Karet Interview :
5 back to back System design question, we don't need to explain each component but more like list as many as points. Need to finish all the question in 15min

1-2 problem solving question : It's not fency algorithm round with tough question. But true problem solving round using basic knowledge such as hashmap, heap

Q1. Design File System : You have given file size and collection in input 1 : get total size 2 : find top k collections in size
Ans. 
Design a file system to calculate total size and find top k collections in size.
• Create a file system class with methods to add files and calculate total size.

• Maintain a data structure to store the collections and their sizes.

• Implement a method to find the top k collections based on size.

• Consider using a priority queue or sorting the collections based on size.

• Handle edge cases like empty collections or invalid input siz
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Q2. Find total size
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Calculate the total size of an array of strings.
• Iterate through the array and sum the length of each string.

• Use the `length` property of each string to get its size.

• Handle edge cases such as empty strings or null values.
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Q3. Find Top k collections
Ans. 
The question is asking to find the top k collections.
• Use a sorting algorithm to sort the collections in descending order based on a specific criteria.

• Select the top k collections from the sorted list.

• Return the selected collections as an array of strings.
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It was an aptitude round

Q1. In technical round i was asked some data structure problems
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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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First round is a hectic 3 hr aptitude + java snippets test, hirepro based.

Q1. Not Applicable for me
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Q1. Regression testing Sanity testing Smoke testing Bug report Testcase preparation
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Q2. Selenium Locators TestNG Junit Jmeter Jira
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They called me for javascript development when i was a java developer. But they took 2 rouds which went well.

Q1. They asked some dsa questions
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Q2. I don't remember anything
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Q1. Oops relate questions
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Q2. Coding questions like output
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