HyScaler Front end Developer Interview Questions and Answers

Q1. Mainly the react questions was asked Functions API Hooks
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1 round is coding round in pan paper test atleast 5 coding questions and some multiple questions and 1 DSA questions and 4 coding questions correct and dsa correct than interview

Q1. Basic behavioural and Technical questions
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Q2. What are the differences between Python 2 and Python 3, and how are comments used in Python? Additionally, can you describe your personal projects and group projects during your college studies?
Ans. 
Python 2 vs Python 3 differences, comments usage, and college projects
• Python 2 is legacy, Python 3 is current version with improved syntax and features

• Python 2 uses print as a statement, Python 3 uses print() as a function

• Comments in Python start with # symbol and can be used to explain code or disable certain lines

• Personal project: Developed a web scraping tool using Python to extract data from websites

• Group project: ...read more
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Q1. Taken by Senior AI developer and CTO. It was an hour interview where they asked scenario based questions on RAG. And simple questions on ML and CNN too.
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Q2. Vector databases
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The aptitude test was easy. basic mcq questions were asked.

It was a pen paper test and was comparatively tough.

Oops topic and aptitude

Q1. What is interface ?
Ans. 
An interface in software development defines a contract for classes to implement, specifying methods and properties.
• Interfaces in programming languages like Java and C# allow for multiple inheritance by defining a set of methods that a class must implement.

• Interfaces provide a way to achieve abstraction and polymorphism in object-oriented programming.

• Interfaces are used to define common behavior that multiple classes c...read more
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Q2. Hat is encapsulation
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Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
• Encapsulation helps in hiding the internal state of an object and restricting access to it.

• It allows for better control over the data by preventing direct access from outside the class.

• Encapsulation promotes code reusability and makes the code easier to maintain.

• Example: In a class representing a car, the variables lik...read more
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10 apti questions and 10 technical mcq on cpp

Q1. Oops concept question
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Q2. Sql queries on join
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Logical reasoning and Aptitude

Functions with Pointers and strings concepts

Q1. Mainly on Pointers and Dynamic Memory Allocation of 2-D Array
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Q2. Structure Padding and Packing
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