Quantum Phinance Programmer Analyst Interview Questions and Answers

I was asked to write a coding example for a calendar invite scheduler.

Q1. Tell me about yourself
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Q2. Reason for wanting to work with Quantum Phinance
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Q1. What is Object Oriented Programming?
Ans. 
Object Oriented Programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Objects have attributes (data) and methods (functions)

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Example: In a banking system, a 'Customer' object may have attributes like name and account balance,
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Q2. What are List and Arraylists
Ans. 
Lists and Arraylists are data structures used to store collections of elements in Java.
• List is an interface in Java that represents an ordered collection of elements. ArrayList is a class that implements the List interface.

• ArrayLists can dynamically grow and shrink in size, while arrays have a fixed size.

• Arrays can store primitive data types and objects, while ArrayLists can only store objects.

• Example: List names = new
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Q3. What is an object?
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An object is a data structure that contains data in the form of fields or attributes and functions in the form of methods.
• Objects are instances of classes in object-oriented programming.

• They encapsulate data and behavior together.

• Objects have state (attributes) and behavior (methods).

• Example: A car object may have attributes like color and model, and methods like start() and stop().
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Q1. Simple question based on linked list
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Q2. Simple SQL query involving aggregate functions
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