Epsilon Software Engineer Interview Questions and Answers

Q1. Role check
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Q2. Tech stackP
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Q1. Project based questions
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Q2. AWS related questions
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Basic questions on maths related parts and analysis skills

Coding questions from various Data Structure parts like linkedList stack queue

Q1. C# oops polymorphism extension methods
Ans. 
Polymorphism is a key feature of OOP in C#. Extension methods allow adding new functionality to existing types.
• Polymorphism allows objects of different classes to be treated as if they are of the same type.

• Extension methods are static methods that can be called as if they were instance methods of the extended type.

• Polymorphism and extension methods can be used together to add new behavior to existing types without modi
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Q2. Angular javascript vs typescript services components
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Angular is a framework for building web applications using TypeScript, which is a superset of JavaScript.
• Angular provides a structure for building web applications using components, services, and modules.

• TypeScript is a statically typed language that provides better tooling and error checking than JavaScript.

• Services in Angular are used for sharing data and functionality across components.

• Components in Angular are the ...read more
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Q1. Write a program to check given input is palindrome or not
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Program to check if input is a palindrome or not
• Create a function that takes a string input

• Remove all non-alphanumeric characters and convert to lowercase

• Compare the original string with its reverse to check if it's a palindrome
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Q2. What is the difference between HashMap and HashSet.

Ans. 

HashMap is a key-value pair data structure while HashSet is a collection of unique elements.

• HashMap stores key-value pairs while HashSet stores unique elements

• HashMap allows duplicate values but keys must be unique, HashSet does not allow duplicates

• Example: HashMap map = new HashMap<>(); HashSet set = new HashSet<>()

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