Persistent Systems Software Engineer Interview Questions, Process, and Tips

1 hour Question related string

Q1. Introduction,Oops concept,Dsa,Sql
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Q1. That was assessment
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It was a coding test

Q1. SQL ,DBMS , os ,cns
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Q1. OOPS concepts with examples
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OOPS concepts are fundamental principles in object-oriented programming.
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding complex implementation details

• Example: A class 'Car' with properties like 'color' and methods like 'startEngine'
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Q2. Basic Data structures and DSA questions
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Aptitude, reasoning and coding questions were there in round 1

Q1. What data structure has implemented in a elevator.
Ans. 
The data structure implemented in an elevator is a queue.
• Elevator requests are added to the queue in the order they are received.

• The elevator serves requests in a first-come, first-served manner.

• Once a request is completed, it is removed from the queue.

• Example: If someone on the 5th floor requests the elevator, their request is added to the queue and the elevator will serve it after completing any previous requests.
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Q2. Oops concepts , difference between encapsulation and abstract and Polymorphism
Ans. 
Encapsulation is bundling data and methods together, abstraction is hiding implementation details, and polymorphism allows objects to be treated as instances of their parent class.
• Encapsulation involves bundling data and methods within a class to restrict access from outside.

• Abstraction involves hiding the implementation details of a class and only showing the necessary features.

• Polymorphism allows objects to be treate...read more
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Q1. About relocation, communication etc
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Basics question based on math reasoning English and oops concepts sql and database concepts and java and database , oops , problem solving .

Q1. Asked on oops. what is inheritance, what is abstraction what is overriding overloading and many more. in sql joins inner join?
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Q2. Some questions also on network theory.
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Test with Logical math problem Majorly Apti

Code on link list and cyclic link list

Q1. Basics and again in deep coding on link list
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Q2. What is OOP OOP pillars question on networking
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