Arowana Consulting Interview Questions and Answers

Real-time implementation of OOPs concept involves creating objects and classes that interact with each other in real-time applications.

• Real-time systems require objects to be created and destroyed dynamically

• Inheritance and polymorphism can be used to create flexible and extensible systems

• Real-time systems often use event-driven programming to respond to user input

• Examples include video games, financial trading systems

OOPS is a programming paradigm based on objects that have properties and methods.

• Encapsulation: bundling of data and methods that operate on that data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on many forms or have multiple behaviors

• Abstraction: hiding of complex implementation details and showing only the necessary ...read more

Explanation of Super, Throw, Final and Finally

• Super: used to call a method from a parent class

• Throw: used to throw an exception

• Final: used to declare a constant or to prevent method overriding

• Finally: used to execute code after try-catch block, regardless of exception

We are using a variety of technologies, including some of the latest ones.

• We are using React for our front-end development.

• We are also using Node.js for our back-end development.

• We are using Docker for containerization.

• We are using Kubernetes for orchestration.

• We are using AWS for cloud hosting.

• We are constantly evaluating new technologies to see if they can improve our development process.

It depends on the specific requirements and constraints of the project.

• Consider the project's goals and objectives

• Evaluate the available technologies and their capabilities

• Assess the project's budget and timeline

• Consult with stakeholders and experts in the field

• Examples: React vs Angular, MySQL vs MongoDB, Java vs Python

Design patterns are reusable solutions to common software problems.

• Creational patterns: Singleton, Factory, Abstract Factory, Builder

• Structural patterns: Adapter, Bridge, Composite, Decorator, Facade, Flyweight, Proxy

• Behavioral patterns: Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor

• We use design patterns to improve code readability, maint...read more