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I applied via Indeed and was interviewed before Aug 2022. There were 3 interview rounds.
Java concepts include object-oriented programming, inheritance, polymorphism, encapsulation, and abstraction.
Object-oriented programming: Java is an object-oriented language where everything is treated as an object.
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Ability for objects to take on different forms or behaviors.
Encapsulation: Bundling data and methods that opera...
Patterns in programming refer to reusable solutions to common problems.
Patterns are best practices for solving recurring problems in software development.
They help in improving code readability, maintainability, and scalability.
Examples include Singleton, Factory, Observer, and MVC patterns.
I learned coding languages through online tutorials, practice projects, and formal education.
Started with online tutorials on websites like Codecademy and Khan Academy
Practiced coding by working on personal projects and challenges on platforms like LeetCode and HackerRank
Took formal education courses in computer science and software development
Attended coding bootcamps or workshops to enhance skills
Top trending discussions
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.
I was interviewed in Dec 2024.
posted on 6 Dec 2024
I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.
I applied via Job Fair and was interviewed in Sep 2024. There were 2 interview rounds.
Coding test was basically asking about debugging codes related to java used in selenium & other SDLC cycle basic questions related to testing.
posted on 24 Oct 2024
strip() method is used to remove whitespace from beginning and end in Python
Use the strip() method on a string to remove whitespace from both beginning and end
Example: ' hello '.strip() will return 'hello'
Example: ' hello '.strip(' h') will return 'ello'
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed in Jun 2024. There were 3 interview rounds.
Event loops are mechanisms in programming languages that allow for asynchronous execution of code.
Event loops handle the execution of multiple tasks in a non-blocking manner.
They continuously check for tasks in the event queue and execute them one by one.
Event loops are commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.
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
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