ExxonMobil Software Developer Interview Questions and Answers

Basic two coding questions will be and also apptitude questions also included.

Q1. What is the difference between virtual function and friend function
Ans. 
Virtual functions enable polymorphism in classes, while friend functions allow access to private members of a class.
• Virtual functions are declared in a base class and overridden in derived classes to achieve runtime polymorphism.

• Friend functions are not members of a class but can access its private and protected members.

• Example of a virtual function: `class Base { virtual void show(); };`

• Example of a friend function: `...read more
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Q2. Explain your projects
Ans. 
Developed a web-based project management tool to streamline team collaboration and task tracking.
• Utilized React for the front-end to create a responsive user interface.

• Implemented Node.js and Express for the back-end API, ensuring efficient data handling.

• Integrated MongoDB for a scalable database solution to store project data.

• Incorporated user authentication using JWT for secure access control.

• Designed a Kanban board ...read more
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There were 20 MCQ and 2 coding questions related to dsa

We were given a topic and we're divided in team of 6 and 3 members from each team were selected for next round

60 aptitude que in 30 mins

Coding test- with 2 coding que

Based on cs subjects, DS Algo and Aptitude

Q1. See yourself in 5 years
Ans. 
In five years, I envision myself as a lead developer, driving innovative projects and mentoring junior developers in a collaborative environment.
• I aim to lead a team on impactful projects, like developing a scalable application that improves user experience.

• I plan to enhance my skills in emerging technologies, such as AI and machine learning, to stay ahead in the industry.

• I want to contribute to open-source projects, f...read more
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Q2. About teamwork and leadership qualities
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Q3. Strength and weaknesses
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Q4. Long term vision of your life
Ans. 
I envision a fulfilling career in software development, contributing to innovative projects while maintaining a balanced personal life.
• Pursue continuous learning through courses and certifications, like cloud computing or AI.

• Aim to lead a team in developing impactful software solutions, such as healthcare applications.

• Balance work with personal interests, like traveling or volunteering in tech education.

• Contribute to o...read more
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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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