Cashapona Technologies Interview Questions and Answers

I have developed a variety of projects using Reactjs, including e-commerce websites, social media platforms, and productivity tools.

• Developed an e-commerce website using Reactjs, Redux, and Firebase for backend

• Created a social media platform with features like user profiles, posts, and comments using Reactjs and Node.js

• Built a productivity tool with task management, calendar, and reminders using Reactjs and MongoDB

Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.

• Objects are instances of classes, which define the structure and behavior of the objects.

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

• Example: In JavaScript, objects can be created using constructor functions or classes.

Different types of data structures with examples

• Array: a collection of elements stored in contiguous memory locations (e.g. [1, 2, 3])

• Linked List: a linear data structure where elements are stored in nodes with pointers to the next node (e.g. 1 -> 2 -> 3)

• Stack: a data structure that follows Last In First Out (LIFO) principle (e.g. push and pop operations)

• Queue: a data structure that follows First In First Out (FIFO) pr...read more