3M Software Engineer Interview Questions and Answers

Q1. Details of OoPs concept.
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Q2. Write a program using OoPs concept
Ans. 
Program using OOPs concept
• Identify the objects and their properties

• Create classes and define their methods

• Use inheritance and polymorphism

• Encapsulate data and use access modifiers

• Example: A program to simulate a bank account
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Q3. How do code review in your project
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Code reviews are conducted regularly to ensure code quality and adherence to coding standards.
• Code reviews are conducted by peers or senior developers.

• Reviewers check for code quality, readability, maintainability, and adherence to coding standards.

• Issues found during code review are documented and addressed by the developer.

• Code reviews are conducted regularly, either before merging code or on a scheduled basis.

• Tools ...read more
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One programming challange just to see how good you use OOPs

Q1. Introduction about your work and Tech work
Ans. 
I have been working as a Software Engineer for the past 5 years, specializing in developing web applications using Java and JavaScript.
• Proficient in Java and JavaScript

• Experience in developing web applications

• Strong understanding of software development principles

• Familiarity with agile methodologies

• Knowledge of database management systems

• Experience with version control systems like Git

• Ability to work in a team and comm
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Q2. All Details of OOPs concepts
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Q3. Write a code by using OOPs technology result doesn't matter approach will be considered
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Coding Round two questions with OOPs concepts

Q1. C++ concepts pointers, program
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Q2. Functions, looping,constructor, bit,byte, qualifiers, class,struct
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Q3. Program to search, sort, unix
Ans. 
Program to search and sort arrays in Unix environment.
• Use Unix commands like grep and sort to search and sort arrays.

• Example: grep 'keyword' file.txt | sort

• Utilize shell scripting to automate the process.
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Q1. On linux, process management, scheduling
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Q1. Java Questions and coding
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30 min projects related questions

Q1. Project and behavioral questions
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Q1. Hr round questions
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Dsa + JavaScript related questions and outputs

Js related coding + easy dsa

Q1. Mostly about the projects you did earlier
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Q2. What do you focus on learning in future
Ans. 
I focus on learning new programming languages, technologies, and best practices to stay current in the industry.
• Learning new programming languages such as Python or Go

• Exploring emerging technologies like blockchain or machine learning

• Staying updated on best practices in software development such as Agile or DevOps

• Improving problem-solving skills through coding challenges and projects
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DSA questions mostly on problem solving these questions need proper practice

Coding on dsa with easy will question

Q1. Draw a linked list
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