M1xchange Software Developer Interview Questions and Answers

- There were 2 had questions majorly about DP, code link was shared.

Q1. What is Vector? How it is different from arrays?
Ans. 
Vector is a dynamic array that can resize itself. It differs from arrays in its ability to change size during runtime.
• Vectors are implemented as dynamic arrays, whereas arrays are static.

• Vectors can resize themselves during runtime, whereas arrays have a fixed size.

• Vectors can be used to store objects of any type, whereas arrays can only store objects of a specific type.

• Vectors have built-in functions for easy manipula
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Q2. What is an abstract class?
Ans. 
An abstract class is a class that cannot be instantiated and is used as a base class for other classes.
• An abstract class can have abstract and non-abstract methods.

• Abstract methods are declared but not implemented in the abstract class.

• A non-abstract class that inherits from an abstract class must implement all abstract methods.

• An abstract class can have constructors and fields like a regular class.

• An abstract class ca...read more
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Q1. It was one-on-one round with the CTO. They judged me on my technical knowledge as well as understanding of tech-era.
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Q2. I was asked question related to the languages and tech-stacks I mentioned in my resume and also question related to OOPs concepts.
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2 Codes on Hackerrank

Q1. Questions on Tree
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Q2. Questions on Java
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Q1. Hiring Manager Round
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General aptitude topic was given as per syllabus

General topic was given for coding

Q1. Tell about projects
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Q2. What were the deliverables
Ans. 
The deliverables included project documentation, data analysis reports, and recommendations for process improvements.
• Project documentation such as requirements documents, use cases, and user stories

• Data analysis reports outlining key findings and insights

• Recommendations for process improvements based on data analysis

• Presentation materials for stakeholders
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It was hackerrank test

Q1. Design Zomato Ordering System
Ans. 
Design a Zomato Ordering System for online food delivery.
• Allow users to browse restaurants and menus

• Implement user authentication and profile management

• Enable users to place orders and make payments online

• Include features like order tracking and ratings/reviews

• Integrate with restaurant partners for order fulfillment
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