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I applied via Job Portal and was interviewed in Jul 2024. There was 1 interview round.
DOM stands for Document Object Model. It is a programming interface for web documents that allows scripts to dynamically access and update the content, structure, and style of a webpage.
DOM is a tree-like structure that represents the elements of an HTML document.
It allows developers to manipulate the content and structure of a webpage using JavaScript.
Example: document.getElementById('myElement') allows you to access
Virtual DOM is a lightweight copy of the actual DOM in React.js, used for efficient updates and rendering.
Virtual DOM is a concept where a lightweight copy of the actual DOM is maintained by React.js.
It allows React to efficiently update and render components by comparing the virtual DOM with the actual DOM.
When changes are made to the virtual DOM, React calculates the most efficient way to update the actual DOM.
This h...
Agile Scrum methodology is a framework for managing and completing complex projects.
Agile Scrum is based on iterative and incremental development.
It involves breaking down the project into smaller tasks called user stories.
Scrum teams work in sprints, typically 2-4 weeks long, to deliver a potentially shippable product increment.
Daily stand-up meetings are held to discuss progress and any obstacles.
Scrum Master facilit...
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Random questions of maths
PwC interview questions for designations
Simple coding test with easy to medium level questions
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
I applied via Campus Placement
A constructor is a special method used to initialize objects in a class.
Constructors have the same name as the class they belong to.
They are called automatically when an object is created.
Constructors can have parameters to initialize object properties.
They can be overloaded to have multiple versions with different parameters.
Example: class Car { Car() { ... } }
Example: class Person { Person(String name) { ... } }
I applied via Naukri.com and was interviewed in Sep 2021. There were 2 interview rounds.
Basic coding
I applied via Naukri.com and was interviewed in Apr 2020. There was 1 interview round.
Synchronous means happening at the same time, while asynchronous means not happening at the same time.
Synchronous operations occur in real-time, while asynchronous operations can be delayed or queued.
Synchronous operations block the program until they are completed, while asynchronous operations allow the program to continue running.
Examples of synchronous operations include function calls and loops, while examples of ...
CTE and temp table usage in SQL
Use CTE for recursive queries and complex subqueries
Use temp tables for large data sets and complex queries
CTE is more efficient for small data sets
Temp tables can be indexed for faster performance
Consider the scope and lifespan of the data when choosing between CTE and temp table
Aptitude topic was as generally appears in other placement tests , coding questions(not that much hard )
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