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I applied via Walk-in and was interviewed in May 2020. There were 4 interview rounds.
MEAN stack is a collection of JavaScript-based technologies used to develop web applications.
MEAN stands for MongoDB, Express.js, AngularJS, and Node.js
MongoDB is a NoSQL database used to store data
Express.js is a web application framework used to build APIs
AngularJS is a front-end JavaScript framework used to build dynamic web pages
Node.js is a server-side JavaScript runtime used to build scalable web applications
Angular is a popular open-source framework for building web applications.
Developed and maintained by Google
Uses TypeScript for building scalable and maintainable applications
Provides a powerful set of tools for building dynamic and responsive user interfaces
Supports two-way data binding, dependency injection, and modular architecture
Examples: Google, Microsoft, IBM, and many other companies use Angular for their web ap
Angular is a popular framework for building dynamic web applications due to its features and benefits.
Angular offers a robust set of features for building complex web applications
It provides a structured approach to development with its component-based architecture
Angular has a large and active community, providing support and resources for developers
It is backed by Google, ensuring its longevity and continued developm...
JavaScript is a high-level, interpreted programming language used to create interactive web pages and web applications.
JavaScript is used for client-side scripting, server-side scripting, and mobile app development.
It is often used in conjunction with HTML and CSS to create dynamic web content.
JavaScript is a versatile language that can be used for a wide range of applications, from simple animations to complex web app...
HTML stands for HyperText Markup Language, used to create the structure of web pages.
HTML is the standard markup language for creating web pages
It consists of a series of elements that define the structure of content on a webpage
Elements are represented by tags enclosed in angle brackets, such as <html>, <head>, <title>, <body>
Attributes can be added to elements to provide additional information...
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Mechanical Engineering offers a diverse range of opportunities to apply scientific principles to solve real-world problems.
Mechanical Engineering provides a strong foundation in math, physics, and materials science.
It offers a wide range of career opportunities in various industries such as automotive, aerospace, and manufacturing.
Mechanical Engineers design and develop machines, tools, and systems that improve our dai...
I know multiple programming languages including Java, Python, and C++.
Proficient in Java with experience in developing web applications using Spring framework
Familiar with Python for data analysis and machine learning
Experience in C++ for developing high-performance applications
Also familiar with HTML, CSS, and JavaScript for front-end development
Class is a blueprint for creating objects, encapsulation is the process of hiding data and methods within a class.
Class is a template or blueprint that defines the properties and behaviors of an object.
Encapsulation is the process of bundling data and methods together within a class, hiding the internal details from the outside world.
Other features of OOP include inheritance, polymorphism, and abstraction.
Inheritance a...
Program to find the sum of squares of each term of Fibonacci series
Generate Fibonacci series using loop or recursion
Calculate square of each term
Add all squares to get the sum
I would like to join Cognizant because of its reputation as a leading global technology and consulting company.
Cognizant has a strong presence in the industry and is known for its innovative solutions.
I am impressed by Cognizant's commitment to digital transformation and its ability to deliver value to clients.
The company offers excellent career growth opportunities and a supportive work environment.
Cognizant's diverse...
Yes, I know Java.
I have experience in Java programming.
I am familiar with Java syntax and concepts.
I have worked on Java projects in the past.
To retrieve data from the back end, you can use APIs or database queries.
Use API calls to fetch data from the back end server.
Execute database queries to retrieve data from the database.
Parse the response or query result to extract the required data.
Handle any necessary authentication or authorization for accessing the back end.
Examples: GET request to an API endpoint, SELECT query in SQL.
OOP is a programming paradigm based on the concept of objects, which can contain data and code.
OOP stands for Object-Oriented Programming
It focuses on creating objects that interact with each other to solve a problem
Encapsulation, inheritance, and polymorphism are key concepts in OOP
Example: A car object can have properties like color, make, and model, and methods like start and stop
OOP promotes code reusability and ma
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