DataTracks DOT NET Developer Interview Questions and Answers

Q1. General market direction
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Q2. Mutual fund industry size
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The mutual fund industry size refers to the total value of assets under management by mutual funds.
• The size of the mutual fund industry can be measured by the total assets under management (AUM) of all mutual funds.

• It includes both equity and debt mutual funds, as well as other types like money market funds.

• The industry size can vary greatly depending on market conditions and investor sentiment.

• As of 2021, the global m...read more
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Q1. Salary negotiation
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Q2. Location negotiations
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Q1. Explain OOPS Concept ?
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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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Q1. Introduce yourself
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I am a skilled DOT NET Developer with 5 years of experience in developing web applications and software solutions.
• 5 years of experience in DOT NET development

• Proficient in developing web applications and software solutions

• Strong knowledge of C#, ASP.NET, MVC, and SQL Server

• Experience with front-end technologies like HTML, CSS, and JavaScript

• Familiar with Agile development methodologies
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Q2. Explain your projects
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I have worked on various projects including e-commerce websites, inventory management systems, and data analysis tools.
• Developed e-commerce website using ASP.NET MVC and SQL Server for backend

• Implemented inventory management system using C# and Entity Framework

• Created data analysis tool using LINQ and JavaScript for frontend
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Q3. Brief the OOPS concepts used in your projects
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OOPS concepts used in projects include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Reusing code by creating a new class based on an existing class.

• Encapsulation: Restricting access to certain components of an object.

• Polymorphism: Objects of different classes can be treated as objects of a common superclass.

• Abstraction: Hiding the implementation details and showing only the necessary features.
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Q4. What do you know about SQL
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SQL is a programming language used for managing and manipulating databases.
• SQL stands for Structured Query Language

• It is used to communicate with databases to perform tasks like querying data, updating data, and creating databases

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE

• SQL is used in various database management systems like MySQL, SQL Server, Oracle
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Q5. Logical question
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Round duration - 120 minutes
Round difficulty - Medium

Round duration - 120 minutes
Round difficulty - Medium

Q1. 
Rat in a Maze Problem Statement
You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...read more
Ans. 
Find all possible paths for a rat in a maze from source to destination.
• Use backtracking to explore all possible paths in the maze.

• Keep track of visited cells to avoid revisiting them.

• Explore all possible directions ('U', 'D', 'L', 'R') from each cell.

• Return the list of valid paths sorted in alphabetical order.
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Q2. 
Word Presence in Sentence
Determine if a given word 'W' is present in the sentence 'S' as a complete word. The word should not merely be a substring of another word.
Input:
The first line contains an in...read more
Ans. 
Check if a given word is present in a sentence as a complete word.
• Split the sentence into words using spaces as delimiter.

• Check if the given word matches any of the words in the sentence.

• Ensure the word is not a substring of another word in the sentence.
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This round consisted of multiple choice questions based on angular and java. I was asked to design a 3X3 grid that should listen to the click event and the selected grid should change the color to green.

Q1. Longest common subsequence of two string
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The longest common subsequence of two strings is the longest sequence of characters that appear in the same order in both strings.
• Use dynamic programming to solve this problem efficiently.

• Create a 2D array to store the lengths of the longest common subsequences.

• Iterate through the characters of both strings and update the array based on the matching characters.

• Trace back the array to find the longest common subsequence
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Q2. Logical questions, questions about my project
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Q1. Why this company, will you be able to relocate to given city
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Round of 3 phases : Vocabulary, Business analytics and Coding

Q1. Convert number to ruman numeral
Ans. 
Convert a number to Roman numeral representation.
• Create a mapping of numbers to Roman numerals (e.g. 1 -> 'I', 5 -> 'V', 10 -> 'X', etc.)

• Iterate through the mapping in descending order and subtract the largest possible numeral from the number until it reaches 0.

• Build the Roman numeral representation by appending the corresponding numeral for each subtraction.

• Handle special cases like 4, 9, 40, 90, etc. by including the
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Q1. Resume questions
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Q1. 
Alien Dictionary Problem Statement
You are provided with a sorted dictionary (by lexical order) in an alien language. Your task is to determine the character order of the alien language from this dictiona...read more
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Q2. 
The Skyline Problem
Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...read more
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Q3. 
Reverse Words In A String Problem Statement
Given a string of length N, reverse the string word by word. Ensure that the output reversed string has a single space between two words and does not contain le...read more
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Q4. 
Flood Fill Algorithm Task
Assist Ninja in altering the color of a specific region in his photo. Given the image as a 2D array where each pixel is a positive integer, update the color of a specified pixel ...read more
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