Groww Senior Software Engineer Interview Questions and Answers

Q1. Question on Fundamentals of React and Javascript
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Q2. Coding question on React Native
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Q1. Pagination in SQL
Ans. 
Pagination in SQL allows for displaying a subset of query results at a time.
• Use LIMIT and OFFSET clauses in SQL queries to implement pagination.

• LIMIT specifies the maximum number of rows to return.

• OFFSET specifies the number of rows to skip before starting to return rows.
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Q2. OOPS concepts.. SOILD design principles
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Q3. Thread vs task in multiprocessing.. explain with examples
Ans. 
Threads and tasks are both used in multiprocessing, but have different characteristics and use cases.
• Threads are lightweight processes within a single process, sharing memory space. They are managed by the operating system.

• Tasks are units of work that can be executed asynchronously. They are typically managed by a task scheduler.

• Threads are suitable for parallel processing and improving performance, while tasks are use...read more
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Q4. ViewBag vs Tempdata in MVC
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ViewBag is used to pass data from controller to view, while TempData is used to pass data between controller actions.
• ViewBag is a dynamic property that allows you to pass data from controller to view

• TempData is a dictionary object that allows you to pass data between controller actions

• ViewBag is not type-safe and requires typecasting, while TempData is type-safe

• ViewBag data is lost if redirection occurs, while TempData
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Q5. Abstract vs Interface
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Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
• Abstract classes can have constructors, fields, and non-abstract methods.

• Interfaces can only have abstract methods and constants.

• A class can implement multiple interfaces but can only inherit from one abstract class.
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I was asked two DSA questions and duration was of one hour.
1. Calculate Sum of edges of LinkedList
2. Given a list of numbers, find out all the pythagorean triplets.

This was also a DSA round for 1 hour and expected to solve two problems (Medium)

This was a system design round for one hour

Q1. Explain the last technically challenging topic that you have worked on. The engineering manager is only interested in self boasting. Without even trying to understand the entire problem statement, they try...read more
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