FYERS Securities Senior Software Engineer Interview Questions and Answers

Q1. Explain OOPS Concept ?
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve problems.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• For example, a class 'Car' can have objects like 'Toyota', 'Honda', etc., each with their own properties and methods.

• Inheritan...read more
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Basic aptitude questions and 2 hard DP questions in the Online Test .

Q1. Basic SQL queries
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Q2. OOP questions Java
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Q3. Puzzles from Geeksforgeeks
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Q4. DSA questions - medium level
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Q1. DSA and array manipulation
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Q1. ReactJS features
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Q1. Hoisting, clousres, prototypes based output questions
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Q2. Polyfill of reduce, map
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Polyfill of reduce, map are functions that mimic the behavior of the original functions in older browsers.
• Polyfill of reduce function can be implemented using a for loop to iterate over the array and accumulate the result.

• Polyfill of map function can be implemented using a for loop to iterate over the array and create a new array with the transformed values.

• These polyfills are useful for ensuring cross-browser compatib...read more
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Q1. Project discussion, react lifecycle, javascript basec concepts
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Q1. Behaviour of js
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JavaScript is a dynamic programming language commonly used for web development.
• JavaScript is a high-level, interpreted language.

• It is known for its flexibility and ability to manipulate the DOM.

• Commonly used for client-side scripting in web development.

• Supports object-oriented, imperative, and functional programming styles.
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Q2. Call by value, call by reference
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Reverse fibonacci using recursion

DSA, Hashmap, OOPS, Job Role, Project

It was a coding games test

Q1. Questions about the problem asked in the coding test
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Q2. Separate 0s,1s in the given array
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Separate 0s and 1s in the given array
• Iterate through the array and count the number of 0s and 1s

• Create two separate arrays, one for 0s and one for 1s

• Add the elements to their respective arrays based on their values

• Return the two arrays as the result
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Q1. Project related questions
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