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I applied via Naukri.com and was interviewed before Sep 2021. There were 2 interview rounds.
let, var and const are all used to declare variables in JavaScript, but they differ in their scope and mutability.
let has block scope and can be reassigned
var has function scope and can be reassigned
const has block scope and cannot be reassigned, but its properties can be mutated
Higher order functions are functions that take other functions as arguments or return functions as their output.
Higher order functions can be used to create more flexible and reusable code.
They allow for functions to be composed and combined in various ways.
Examples of higher order functions include map, filter, and reduce in JavaScript.
Higher order functions can also be used for currying and partial application.
A calculator app built using React
Create a component for the calculator
Use state to keep track of the input and result
Implement functions for basic arithmetic operations
Add buttons for each number and operation
Display the input and result on the screen
Design a database schema for nested comments on a post
Create a table for posts with a unique ID
Create a table for comments with a unique ID, post ID, and parent comment ID
Use foreign keys to link comments to posts and parent comments
Use a recursive function to retrieve nested comments
Event loop is a mechanism in JavaScript that handles asynchronous operations.
Event loop continuously checks the call stack and the task queue.
If the call stack is empty, it takes the first task from the queue and pushes it to the call stack.
Event loop is responsible for handling callbacks and promises.
Event loop prevents blocking of the main thread.
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I applied via LinkedIn and was interviewed in Nov 2020. There were 4 interview rounds.
I applied via Approached by Company and was interviewed before Jun 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed in Nov 2020. There were 4 interview rounds.
I appeared for an interview in Nov 2020.
Round duration - 2 hours
Round difficulty - Medium
In the 1st round
Aptitude
Reasoning
English
Automata fix( code debug)
Timing in morning
Environment is good
Interviewer was very cool and interactive
Given a text message, your task is to return the Run-length Encoding of the given message.
Run-length encoding is a fast and simple method of encoding strings, repres...
Implement a function to encode a text message using run-length encoding.
Iterate through the message and count consecutive characters
Append the character and its count to the encoded message
Handle edge cases like single characters or empty message
Round duration - 30 minutes
Round difficulty - Medium
This is interview round
Ques from basic electronics
C language
Create a class named Person
with a string variable 'name'
and an integer variable 'age'
, such that these variables are not accessible outside the class. Implement a me...
Create a class Person with private variables name and age, and methods to set and get their values.
Create a class Person with private variables 'name' and 'age'.
Implement a method setValue to set the variables' values.
Implement a method getValue to print the variables' values.
Ensure the name is a non-empty string and the age is a non-negative integer.
Encapsulate the data and provide a clear interface for setting and ge
Tip 1 : Do aptitude from indiabix. Go through your basics. At least one language u know. Learn about your branch basics. Know concept of data structure and oops.
Tip 2 : prepare your final project well.
Tip 1 : the skills you know very well mention in resume
Tip 2 : mention project in resume
I applied via Naukri.com and was interviewed before May 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2020. There were 5 interview rounds.
Interfaces define a contract for classes to implement certain methods and properties.
Interfaces allow for polymorphism and loose coupling.
Classes can implement multiple interfaces.
Interfaces cannot be instantiated on their own.
Interfaces can have default method implementations.
Interfaces can be used to enforce design patterns like the adapter pattern.
posted on 12 Jun 2021
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