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Extended Web AppTech
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I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.
Hooks are a feature in React that allow you to use state and other React features in functional components.
Hooks are functions that let you use state and other React features in functional components.
Some commonly used hooks are useState, useEffect, useContext, and useRef.
useState hook is used to add state to functional components.
useEffect hook is used to perform side effects in functional components.
useContext hook i...
Lifecycle methods are methods that are called automatically at specific points in a component's lifecycle.
componentDidMount() - called after the component is rendered for the first time
componentDidUpdate() - called after the component's updates are applied
componentWillUnmount() - called before the component is removed from the DOM
Create a React project to fetch and display data from an API
Set up a new React project using create-react-app
Use the fetch API or axios to make a request to the desired API
Store the fetched data in state using useState hook
Render the data on the UI using JSX
A todo list in React.js allows users to add, delete, and mark tasks as completed.
Use state to store the list of tasks
Create components for adding, deleting, and marking tasks as completed
Implement functionality to add, delete, and mark tasks as completed
Use CSS for styling the todo list
Extended Web AppTech interview questions for popular designations
I applied via Walk-in and was interviewed in Apr 2024. There was 1 interview round.
Closures are functions that have access to variables from their containing scope even after the parent function has finished executing.
Closures allow functions to 'remember' the environment in which they were created
They can access variables from their outer function even after the function has returned
Closures are commonly used in event handlers and callbacks
High order functions in React JS are functions that take other functions as arguments or return functions as their output.
High order functions allow for code reusability and cleaner code structure.
An example of a high order function in React JS is the map function, which takes a function as an argument to transform elements in an array.
Another example is the filter function, which takes a function as an argument to fil
I applied via Walk-in and was interviewed in May 2023. There were 3 interview rounds.
Print the even count digits of number in to two parts
MCQ test based on HTML, CSS JAVASCRIPT and NodeJs
System test based on NodeJs
Question write crud operations
Top trending discussions
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 60 mins
Round difficulty - Medium
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...
Given a railway seat number, determine if it is valid and identify its berth type.
Parse input integer 't' for number of test cases
For each test case, check if seat number is valid (1 <= N <= 100)
Identify berth type based on seat number and output the result
Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
Round duration - 90 mins
Round difficulty - Hard
First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.
You are provided with a square matrix. Your task is to return true
if the matrix is symmetric; otherwise, return false
.
A symmetric matrix is characterized by its transpose being eq...
Check if a square matrix is symmetric by comparing it with its transpose.
Iterate through the matrix and compare each element with its corresponding element in the transpose
If any pair of elements do not match, return false immediately
If all pairs match, return true at the end
Tip 1 : Clear the basic concepts of data structure and OOPs.
Tip 2 : Use coding ninja platform and Hackerearth for practice on coding skills.
Tip 3 : Use Geeks For Geeks for interview preparation.
Tip 1: Make your resume short and try to make it of one page only.
Tip 2: Add relevant keywords
I applied via Naukri.com and was interviewed in Sep 2020. There were 4 interview rounds.
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