Buyhatke Software Development Engineer Intern Interview Questions and Answers

There were 2 questions, first one was the three sum problem of leetcode and the second one was related to stacks amd strings

Q1. What is encapsulation in OOP?
Ans. 
Encapsulation is the concept of bundling data and methods together within a class, hiding internal details from the outside world.
• Encapsulation helps in achieving data abstraction and data hiding.

• It allows for better control over the access to the internal state of an object.

• By encapsulating data, we can protect it from being modified by external code.

• Encapsulation promotes code reusability and maintainability.

• Example:...read more
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Q1. DSA question with Some Stack
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Q2. Discussion around Current project
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Q1. Managerial discussion around resume and some basic java and spring question
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Q2. Java and spring boot question
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It was a coding round where i need to solve 3 DSA Questions in 1.5 hour

Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding maxaimal area of rectangle in matrix of 1 and...read more
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Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round
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Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo code for complete implementation using correct ...read more
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Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals.
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It was an online assessment. Some coding questions. Some cs fundamental mcqs. SQL query, Rest Api question.

An assignment to create a game using nodejs/ go lang/ java.

Q1. Discussion related to Assignment. Told some changes and told to add some more functionalities.
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Q2. Some APIS were given. It was case study. You had to show the dishes to a customer according to his preferences.
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Q1. Binary search for closest element
Ans. 
Binary search to find the closest element in a sorted array
• Implement binary search to find the target element in the array

• Keep track of the closest element found so far while searching

• Update the closest element if a closer one is found during the search
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Q2. String manipulation
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Q1. Low level Design for an online e-commerce website
Ans. 
Low level design for an online e-commerce website involves designing the architecture and components of the website.
• Identify the main components such as user interface, database, payment gateway, product catalog, etc.

• Design the database schema to store user information, product details, orders, etc.

• Implement user authentication and authorization mechanisms for secure access.

• Integrate payment gateway for processing tran...read more
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2 problem one was moderate and ine was easier

It was to create small project with 2 screens and api call , asked to follow a good architectural pattern and unit test cases

Q1. ARC and memory leaks
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Q2. Questions related to swift and iOS Development
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Q1. Asked about my why you want to join
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Q2. Asked a fee things about org
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