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MASTERCARD IS HIRING : ASSOCIATE SOFTWARE ENGINEER

MASTERCARD is hiring Freshers for the roles of ASSOCIATE SOFTWARE ENGINEER. The details of the job, requirements and other information given below:

MASTERCARD IS HIRING : ASSOCIATE SOFTWARE ENGINEER

Don’t miss out, CLICK HERE (to apply before the link expires)

Technical Questions and Answers

1. What is Object-Oriented Programming (OOP)?

Answer:
Object-Oriented Programming (OOP) is a way of writing code using “objects.” An object can have data (called properties) and actions (called methods). OOP makes code easier to reuse and manage. The main concepts of OOP are:

This helps developers build better, more organized software.

2. What is the difference between Java and JavaScript?

Answer:
Although their names sound similar, Java and JavaScript are very different:

So, Java is for server-side logic and applications, while JavaScript is mostly for front-end (user interface) in websites.

3. Explain what an API is.

Answer:
API stands for Application Programming Interface. It allows different software systems to talk to each other. For example, when you book a train ticket on a travel app, it uses APIs to connect with Indian Railways servers and get the ticket details.

APIs are like waiters in a restaurant – they take your order, go to the kitchen (server), bring your food (data), and serve it back to you.

4. What is a Data Structure and why is it important?

Answer:
A data structure is a way of organizing and storing data so it can be used efficiently. Examples include arrays, linked lists, stacks, queues, trees, and hash maps.

Data structures help you:

They are essential for writing optimized programs, which is very important at companies like Mastercard.

5. What is Git and why is it used in software development?

Answer:
Git is a version control system. It helps developers track changes in their code, work in teams, and go back to earlier versions if something breaks.

For example:

Git helps teams work better and safer together.

Problem Solving / Coding Questions

6. Write a program to check if a number is even or odd.

Answer (in Java):

java
public class EvenOdd {
public static void main(String[] args) {
int number = 5;
if (number % 2 == 0) {
System.out.println("Even");
} else {
System.out.println("Odd");
}
}
}

This code checks if the number is divisible by 2. If yes, it’s even. Otherwise, it’s odd.

7. Explain time complexity of binary search.

Answer:
Binary search is a method to find an item in a sorted list. It works by repeatedly dividing the list in half.

For example, in a list of 1000 items, binary search finds the result in just 10 steps!

Behavioral / HR Questions and Answers

8. Why do you want to work at Mastercard?

Answer:
I want to work at Mastercard because it’s a global company known for innovation and secure payment systems. I am inspired by how Mastercard connects people and helps grow the economy in many countries. I also like that Mastercard focuses on inclusion, sustainability, and giving back to society. It would be a great place for me to grow my skills and build a meaningful career.

9. Tell me about a time you solved a difficult problem.

Answer:
During my final year project, my team faced a challenge with connecting our frontend to the backend API. The data wasn’t showing correctly. I stayed after class, checked the error logs, and found that the data format was mismatched (JSON error). I fixed it, tested it, and finally the application worked as expected. I also explained the solution to my teammates so we could avoid such issues in the future.

10. What are your strengths?

Answer:

11. Do you have any questions for us?

Answer:
Yes, I do:

Conclusion

Mastercard looks for students who are passionate about technology, understand computer science basics, and want to build meaningful solutions. To prepare well:

Join Our Telegram Group (1.9 Lakhs + members):- Click Here To Join

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