Hashstash Studios Interview Questions and Answers

The test was conducted on HackerRank. One Javascript question and has to be solved.

Q1. Discussion on building a scalable system.
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Q1. Peer panel round - Discussion on how a feature has been built. What tradeoffs you thought of etc
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Q1. Behavioural and culture fit
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Q1. General discussion on what is expected from the role and what are my expectations etc
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A problem space was given with the list of metric and access to data with respect to the skillz free games

Had to answer the questions and perform an EDA and suggest recommendations

SQL question were asked

They ask you about basic oop questions

It was a panel interview

Q1. Tell me about your experience.
Ans. 
I have 5 years of experience in software development, specializing in Java and web development.
• 5 years of experience in software development

• Specialize in Java and web development

• Worked on various projects including e-commerce websites and mobile applications
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Q2. Why would I be a good fit?
Ans. 
I have a strong background in software development, excellent problem-solving skills, and a passion for learning new technologies.
• Strong background in software development

• Excellent problem-solving skills

• Passion for learning new technologies
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Aptitude questions were pretty easy like on speed etc

Coding questions were also easy like patterns code, reverse string just basics

Basic aptitude only think out of box

Q1. Static and final difference
Ans. 
Static variables belong to the class itself, while final variables cannot be changed after initialization.
• Static variables are shared among all instances of a class

• Final variables cannot be reassigned once initialized

• Static variables are initialized only once at the start of the program

• Final variables must be initialized when declared
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Q2. Patterns problem
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Q1. Tell me about your self?
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Q2. Checking english fluency
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10 reasoning questions and 3 coding questions

Q1. Wap for factorial with recurrsion
Ans. 
Factorial calculation using recursion in a programming language
• Define a function that takes an integer as input

• Base case: if input is 0, return 1

• Recursive case: return input multiplied by factorial of input-1

• Example: factorial(5) = 5 * factorial(4) = 5 * 4 * factorial(3) = ... = 5 * 4 * 3 * 2 * 1 = 120
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Q2. Opps and basic core Java questions
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Simple logic and maths based questions along with coding round

Q1. Questions on string literals
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Q2. Array vs arraylist
Ans. 
Arrays are fixed in size, while ArrayLists can dynamically resize. Arrays are faster for accessing elements, while ArrayLists offer more flexibility.
• Arrays have a fixed size, while ArrayLists can dynamically resize.

• Arrays are faster for accessing elements, while ArrayLists offer more flexibility in terms of adding, removing, and manipulating elements.

• Example: String[] namesArray = new String[5]; ArrayList namesList = n
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Q1. My strength and weaknesses
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Q2. Past work experiences if any
Ans. 
I have worked as a software developer for 3 years at XYZ company.
• Developed web applications using Java, Spring, and AngularJS

• Collaborated with team members to design and implement new features

• Participated in code reviews and testing processes

• Resolved technical issues and provided support to end users
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