Stori Digital Interview Questions and Answers

First round was a aptitude test of 25 question

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
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Q2. Basic multi threading questions
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Q1. Code to make a pattern and explain each and every line of code
Ans. 
Code to create a pattern and explain each line of code
• Start by defining the number of rows and columns in the pattern

• Use nested loops to iterate through each row and column

• Decide the pattern you want to create and use conditional statements to determine the output for each position
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Q2. Puzzle: In how many minimum cut u can cut a cake in 8 piece
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Q1. Basic SQL question.
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Q2. Order of execution
Ans. 
The order of execution refers to the sequence in which instructions or operations are executed in a program.
• The order of execution is determined by the programming language and the specific code being executed.

• Generally, code is executed line by line from top to bottom.

• However, there are exceptions such as loops, conditionals, and function calls that can alter the order of execution.

• In some programming languages, there...read more
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Q3. Window functions
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Q4. Aggregate functions
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Q1. Level order tree traversal
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Q2. Find the pair element from the array
Ans. 
Find the pair element from the array
• Iterate through the array and use a hashmap to store elements and their counts

• Check if the current element's complement exists in the hashmap

• Return the pair if found, otherwise return null
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We had an aptitude test which involved 60 questions in 15 minutes. Of course, no one can solve this fast, but it was about the hit rate / accuracy and volume. Subsequent followed with two guesstimate based rounds and final as HR round which involved asking about college projects, extra curricular experiences and so on.

Q1. Where do you see yourself in 5 years
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Q1. How you will improve health of a marketplace
Ans. 
By analyzing data, identifying pain points, and implementing solutions to improve user experience and trust.
• Analyze user behavior and feedback to identify areas of improvement

• Implement measures to increase transparency and trust, such as user reviews and seller verification

• Provide resources and support for dispute resolution

• Encourage diversity and inclusivity in the marketplace to attract a wider range of buyers and se...read more
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Q1. How you will design new customer support system
Ans. 
I will design a customer support system that is user-friendly, efficient, and personalized.
• Conduct research to understand customer needs and preferences

• Identify common customer issues and develop a knowledge base for quick resolution

• Implement a ticketing system to track and prioritize customer inquiries

• Integrate chatbots and AI to provide 24/7 support

• Train support staff to provide personalized and empathetic service

• Col...read more
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Round duration - 90 minutes
Round difficulty - Easy

This was MCQ+Coding round.

Q1. How can you check if two strings are anagrams of each other?
Ans. 
Check if two strings are anagrams by comparing the sorted versions of the strings.
• Sort both strings and compare if they are equal.

• Use a hashmap to store the frequency of characters in each string and compare the maps.

• Ignore spaces and punctuation when comparing the strings.
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Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.