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Gainwell Technologies Reactjs Developer Interview Questions and Answers
Gainwell Technologies Reactjs Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed in Apr 2023. There were 2 interview rounds.
(2 Questions)
- Q1. There was 2 round of technical round with coding test, Each round was around 1 hour. I attended for react js developer. After completing the technical there is one manager round.
- Q2. Class components in react
- Ans.
Class components are ES6 classes that extend from React.Component and have a render method.
Class components are used for more complex components that require state or lifecycle methods.
They have a constructor method where you can initialize state.
They can have lifecycle methods like componentDidMount, componentDidUpdate, componentWillUnmount, etc.
Example: class MyComponent extends React.Component { constructor() { supe...
Interview Preparation Tips
- React.Js
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.
(2 Questions)
- Q1. General Javascript and react questions
- Q2. 1.life cycle method 2.diff between var let const 3. Write code for to count duplicate characters from string Ect
- Ans.
Answers to common interview questions for Reactjs Developer position.
1. Life cycle methods in React include componentDidMount, componentDidUpdate, componentWillUnmount, etc.
2. 'var' has function scope, 'let' has block scope, 'const' is a constant variable.
3. Code to count duplicate characters in a string: const countDuplicates = (str) => { const count = {}; str.split('').forEach(char => { count[char] = count[char] ? co
(1 Question)
- Q1. Microforntend, design pattern, array reduce method ect
Skills evaluated in this interview
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Small Javascript coding questions
- Q2. Basic html and css questions
- Q3. Questions about last companies project
(2 Questions)
- Q1. JS coding questions, output based questions
- Q2. 2 html questions
Interview Preparation Tips
Harsh Khandelwal
Dsa question were asked
Question related to profit loss
(2 Questions)
- Q1. What is Event loop
- Ans.
Event loop is a mechanism in JavaScript that allows for asynchronous operations to be executed in a non-blocking way.
Event loop is responsible for handling asynchronous operations in JavaScript.
It allows for non-blocking execution of code by moving asynchronous tasks to the event queue.
Event loop continuously checks the call stack and the event queue, moving tasks from the queue to the stack when the stack is empty.
Exa...
- Q2. What are closures
- Ans.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures allow functions to access variables from their outer scope even after the outer function has finished executing.
They are commonly used to create private variables in JavaScript.
Closures are created whenever a function is defined within another function.
(1 Question)
- Q1. Solve code snippets
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
Python code for solving a string usecase using stack, SQL join and groupby queries
(1 Question)
- Q1. Can you tell about yourself
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Core Java 1.8 features like Lambda Exp, Streams, Changes in Map since 1.8, Concurrency
- Q2. Spring Scopes, IOC, DI, Spring boot, Microservice Arch
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.
(1 Question)
- Q1. Mvvm, oops, broadcast receiver, activity life cycle, aidl
(1 Question)
- Q1. Project experience,
(1 Question)
- Q1. Discussion of salary
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Gainwell Technologies Reactjs Developer Interview Process
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