Aiveda Technology Interview Questions and Answers

OOP stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.

• 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 multiple forms or behaviors

• Abstraction: hiding of complex implementation details from the user

• Examples: Java, C++, Python

A stack is a data structure that follows the Last-In-First-Out (LIFO) principle. If it gets full, it results in a stack overflow error.

• Stack is a collection of elements that can be added or removed only from one end.

• Push operation adds an element to the top of the stack.

• Pop operation removes the top element from the stack.

• If the stack is full and a new element is pushed, it results in a stack overflow error.

• Stack is used in various applications like function calls, undo-redo ...read more

IDE stands for Integrated Development Environment. It is a software application that provides comprehensive facilities to computer programmers for software development.

• IDE is a software application that provides a comprehensive environment for software development.

• It includes a code editor, debugger, compiler, and other tools.

• IDEs are available for various programming languages such as Java, Python, C++, etc.

• Examples of IDEs include Eclipse, Visual Studio, IntelliJ IDEA, etc.

Frontend cycle refers to the process of developing the user interface of a software application.

• 1. Planning and design phase where wireframes and mockups are created.

• 2. Development phase where HTML, CSS, and JavaScript are used to build the interface.

• 3. Testing phase to ensure the frontend works as expected.

• 4. Deployment phase to make the frontend live for users.

• 5. Maintenance phase to make updates and improvements to the frontend.

• 6. Iterative process where feedback is collec...read more

Day to day HR processes involve recruitment, onboarding, training, performance management, employee relations, and compliance.

• Recruitment: Posting job openings, screening resumes, conducting interviews

• Onboarding: Orienting new employees, completing paperwork, introducing to team

• Training: Providing ongoing development opportunities, organizing workshops

• Performance Management: Setting goals, conducting evaluations, providing feedback

• Employee Relations: Handling grievances, reso...read more

An interface in Node JS is a way to define a contract for objects to ensure they have certain properties or methods.

• Interfaces in Node JS are used to enforce a specific structure on objects.

• They are not implemented in the same way as in other languages like Java or TypeScript.

• Interfaces are typically defined using JSDoc comments to describe the expected properties and methods of an object.

Middleware is a function that has access to the request and response objects in Node.js, and can modify or terminate the request-response cycle.

• Middleware functions can perform tasks like logging, authentication, error handling, etc.

• They are executed sequentially in the order they are defined in the code.

• Examples of middleware in Node.js include Express.js middleware like body-parser, morgan, and helmet.