Pay point india Interview Questions and Answers

Soo easy aptitude exam asked questions

Q1. What is oops in Java,fibo, and sorting
Ans. 
OOPs in Java refers to Object-Oriented Programming concepts, fibo likely refers to Fibonacci sequence, and sorting refers to arranging elements in a specific order.
• OOPs in Java includes concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• Fibo likely refers to the Fibonacci sequence, where each number is the sum of the two preceding ones (e.g. 0, 1, 1, 2, 3, 5, ...).

• Sorting involves arranging el...read more
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Q2. Why is garbage collector is used in java etc more of java questions
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Q3. Can main can be overloaded and overrided
Ans. 
Yes, main can be overloaded but not overridden in C++.
• Main can be overloaded by defining multiple functions with different parameters.

• Example: int main() and int main(int argc, char* argv[])

• Main cannot be overridden as it is a static function of the program.
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The first round was a coding test, which was outsourced to an external vendor. I was asked 2 basic DSA questions, and there was discussions around the time and space complexity, and scope of optimizing the solutions. Post that there were a few questions around Spring Boot features and basic system design. The interviewer was professional throughout the interview, and the interview process felt more like a discussion, as compared to the standard interview process.

There was another round of coding - this time conducted by the organization itself. It consisted of a medium level DSA question on stacks. I wrote the code on my personal IDE and executed it there itself. The interviewer discussed about the possible edge cases and how I would deal with them. Post solving the question I was asked about my previous projects.

Q1. Discuss in detail about a scenario where a challenging production issue was handled.
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Q2. What are your responsibilities as a senior / team lead in the current organization?
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Q3. How did you handle conflicts with junior engineers and reporting managers?
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This was the final round where the discussion was largely around system design and HLD. It started off with questions are system design patterns and concepts. Then I was asked to design a booking design, with discussions around concurrency control and transaction management.

Q1. Core java - collection framework
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Q1. Advance java - spring boot
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