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I applied via Campus Placement and was interviewed in Feb 2023. There were 3 interview rounds.
160 mcq wuestions on cse subjects
Two pointer approach to find middle element of a linked list.
Initialize two pointers, one slow and one fast, both pointing to the head of the linked list.
Move the slow pointer one step at a time and the fast pointer two steps at a time.
When the fast pointer reaches the end of the linked list, the slow pointer will be pointing to the middle element.
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I applied via Campus Placement and was interviewed before Sep 2021. There were 2 interview rounds.
Mcqs on javascript,. 1 coding question
posted on 9 May 2021
posted on 6 Jan 2025
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Based on JavaScript and Java.
A task based on JavaScript.
I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.
Aptitude questions with some basic coding questions
They have given 3 coding questions and some pseudo codings
There are three sections: -
1. Quants
2. English
3. Reasoning
All sections are accessible medium but you have maintained the speed and accuracy.
after that coding snippet are in java/python.
Code snippets are there in coding sections.
ES6 introduced several new features and improvements to JavaScript, making it more powerful and efficient.
Arrow functions for more concise syntax
Let and const for block-scoped variables
Classes for easier object-oriented programming
Template literals for easier string interpolation
Default parameters and rest parameters for function arguments
Destructuring assignment for easier data extraction
Promises for asynchronous prog
Yes, let and const variables are hoisted but not initialized.
let and const variables are hoisted to the top of their block scope, but they are not initialized until the actual line of code is executed.
This means that you cannot access a let or const variable before it is declared in the code.
For example, trying to access a let variable before it is declared will result in a ReferenceError.
Global context refers to the overall environment or setting in which something exists or operates.
Global context encompasses all variables, functions, and objects that are accessible throughout an entire program.
It can be thought of as the 'big picture' view of a program's execution.
In web development, global context includes the window object in JavaScript.
Temporal dead zone is a period during the variable creation process where accessing the variable results in a ReferenceError.
Occurs when trying to access a variable before it has been declared with let or const
Happens due to the variable being in the temporal dead zone until it is declared
Example: accessing a variable before its declaration will result in a ReferenceError
Modules in Node.js are reusable blocks of code that encapsulate related functionality.
Modules in Node.js can be built-in modules like fs (file system) or third-party modules like express.
Modules help in organizing code into separate files for better maintainability and reusability.
Modules can be imported using the require() function in Node.js.
Indexes in MongoDB improve query performance by allowing the database to quickly locate and retrieve specific documents.
Indexes help to speed up query performance by allowing the database to quickly locate specific documents based on the indexed fields.
Without indexes, MongoDB would have to perform a collection scan, which can be slow and resource-intensive.
Indexes can be created on single fields or compound fields to ...
Hooks are a feature in React that allow you to use state and other React features in functional components. useRef is a hook that allows you to create a mutable object that persists for the lifetime of the component.
Hooks are used to add state and lifecycle methods to functional components in React
useRef is used to create a mutable reference that persists between renders
useRef can be used to access DOM elements directl
Mongoose is an Object Data Modeling (ODM) library for MongoDB that provides a higher level of abstraction and simplifies interactions with the database.
Mongoose provides schema validation which helps maintain data integrity.
Mongoose simplifies querying and data manipulation with built-in functions.
Mongoose supports middleware functions for pre and post processing of data operations.
Find the second most occurrence of string in an array of strings.
Create a dictionary to store the count of each string in the array
Sort the dictionary by count in descending order
Return the key of the second element in the sorted dictionary
I applied via Walk-in and was interviewed in Jan 2023. There were 3 interview rounds.
The JAVA API is a collection of pre-written classes and interfaces that provide ready-to-use functionality for Java developers.
The JAVA API allows developers to save time and effort by using pre-built code for common tasks.
It provides a wide range of classes and interfaces for various purposes such as file handling, networking, database connectivity, GUI development, etc.
Developers can leverage the API to access system...
The duration of the test is one hour and four coding questions are asked.
Aptitude test question logical reasoning and cheking availablity.
It's test last test and skill related to C ,Java, HTML
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