MBD GROUP Software Developer Interview Questions and Answers

Q1. What is the use of ref?
Ans. 
The 'ref' keyword in C# is used to pass arguments by reference instead of by value.
• Allows a method to modify the value of the argument passed to it

• Useful when you want to update the original value of a variable inside a method

• Can be used with value types and reference types

• Example: void UpdateValue(ref int num) { num = 10; }

• Example: int value = 5; UpdateValue(ref value); // value will be 10 after the method call
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Q2. What are React Hooks
Ans. 
React Hooks are functions that let you use state and other React features without writing a class.
• React Hooks were introduced in React 16.8.

• They allow you to use state and other React features in functional components.

• Some commonly used React Hooks are useState, useEffect, useContext, etc.

• Hooks are more lightweight and easier to understand compared to class components.
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2 Questions - 1 graph and one basic

Q1. 2 basic coding questions and questions on OS and DBMS
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Coding test with 2 questions

Q1. Technical interview round
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There were 3 coding questions on Hacker Earth platform for 1 hour 15min and 1 question from array and 2 questions from strings.

Q1. This round was based on SQL, DBMS, DSA, OOPS SQL--> Designed the complete schema for one of my projects for COVID-19 vaccination. and SQL queries from that schema. DSA--> 1.) Find the pair in an array whos...read more
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Q1. This was a technical managerial round. OOPS--> Example of overloading and overriding. Mostly DBMS and SQL-based questions like what is indexing and SQL queries and joins. DSA--> 1.) Write one sorting algo....read more
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Q1. Just a normal discussion regarding my tech stack and my internship experience only 15mins.
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30 technical questions

Q1. Technical process
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Q2. What are oops concept
Ans. 
Object-oriented programming concepts that focus on objects and classes.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the necessary features.
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Q1. Oops questions Database SQL Logic building along with case study
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Q1. Questions based on work experience
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Q2. And all the spftware architecture
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Leetcode questions on Java, Go

Theory based questions