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SunTec Web Services Reactjs Developer Interview Questions and Answers

Updated 24 Sep 2024

SunTec Web Services Reactjs Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Oops concept in javascript
  • Ans. 

    JavaScript does not have built-in support for traditional OOP concepts like classes and inheritance, but it can still implement OOP principles using prototypes and functions.

    • JavaScript uses prototypal inheritance instead of classical inheritance.

    • Objects can be created using constructor functions or object literals.

    • Encapsulation can be achieved through closures and private variables.

    • Inheritance can be implemented using ...

  • Answered by AI

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Dsa question were asked

Round 2 - Aptitude Test 

Question related to profit loss

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(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...

  • Answered by AI
  • 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.

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Basic question from React JS, Redux, Javascript, HTML and CSS.
  • Q2. Core concept like difference between virtual dom and real dom.
  • Q3. What is Redux and flow of Redux. Difference between context api and Redux.
Round 2 - Technical 

(2 Questions)

  • Q1. Project related questions like what had you done in previous project.
  • Q2. Some scenarios based questions.
Round 3 - HR 

(1 Question)

  • Q1. General HR questions.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Sep 2023.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic Javascript Questions
  • Q2. JS Array Questions

Interview Preparation Tips

Topics to prepare for LTIMindtree Reactjs Developer interview:
  • javascript
  • arrays
  • array functions

I applied via LinkedIn and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. What is hoisting ?
  • Ans. 

    Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.

    • Variables declared with var are hoisted to the top of their scope

    • Function declarations are hoisted before variables

    • Function expressions are not hoisted

    • Hoisting can lead to unexpected behavior and bugs

  • Answered by AI
  • Q2. What is useEffect ?
  • Ans. 

    useEffect is a hook in React that allows you to perform side effects in functional components.

    • It replaces componentDidMount, componentDidUpdate, and componentWillUnmount.

    • It takes two arguments: a function that performs the side effect and an array of dependencies.

    • The function is called after every render, unless the dependencies haven't changed.

    • Common use cases include fetching data, setting up event listeners, and upd...

  • Answered by AI
  • Q3. What is function currying
  • Ans. 

    Function currying is a technique of transforming a function that takes multiple arguments into a sequence of functions that each take a single argument.

    • Currying allows partial application of a function.

    • It helps in creating reusable functions.

    • Curried functions are composable and can be easily combined to create new functions.

    • Currying can be achieved using closures or by using libraries like Lodash or Ramda.

    • Example: cons

  • Answered by AI
  • Q4. What is closures in js
  • Ans. 

    Closures are functions that have access to variables in their outer scope, even after the outer function has returned.

    • Closures are created when a function is defined inside another function.

    • The inner function has access to the outer function's variables and parameters.

    • Closures can be used to create private variables and methods.

    • Closures can also be used to create functions with pre-set arguments.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Only a single round which lasted for almost 30 min. It was relatively easy one with basic qns on javascript

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Questions related to Current Job Profile and previous experience

Interview Questionnaire 

3 Questions

  • Q1. What are the new features in react 16?
  • Ans. 

    React 16 introduced new features like React Fiber, Error Boundaries, Portals, and improved server-side rendering.

    • React Fiber is a new reconciliation engine that improves performance and enables incremental rendering.

    • Error Boundaries allow developers to catch and handle errors in components.

    • Portals provide a way to render children into a different DOM subtree.

    • Improved server-side rendering with support for streaming and...

  • Answered by AI
  • Q2. Why react hooks are use full?
  • Ans. 

    React hooks simplify state management and lifecycle methods in functional components.

    • Hooks allow functional components to have state and lifecycle methods

    • They reduce the need for class components and HOCs

    • Hooks make code more readable and easier to test

    • Examples of hooks include useState, useEffect, and useContext

  • Answered by AI
  • Q3. What is HOC components?
  • Ans. 

    HOC components are higher-order components in React that allow code reuse and logic sharing.

    • HOC components are functions that take a component and return a new component with additional functionality.

    • They are used to abstract common logic and behaviors into reusable components.

    • HOC components can be used for tasks like authentication, logging, and code reuse.

    • Example: a withAuth HOC component that adds authentication log

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What do you mean by redux and how to use redux
  • Ans. 

    Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a more organized way.

    • Redux is a state management tool commonly used with React to manage the state of an application.

    • It follows a unidirectional data flow, where the state is stored in a single store.

    • Actions are dispatched to update the state, and reducers specify how the state should change in response to actions...

  • Answered by AI
  • Q2. What is the use of Context Api in React
  • Ans. 

    Context API is used in React to pass data through the component tree without having to pass props down manually at every level.

    • Avoids prop drilling by providing a way to share values like themes, user data, etc. across the component tree.

    • Helps in managing global state in React applications.

    • Context API consists of Provider and Consumer components to provide and consume the context data.

    • Can be used for theming, localizat

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Alternative way for prop drilling
  • Ans. 

    Context API or Redux can be used as alternative ways for prop drilling in React.

    • Use Context API to pass data down the component tree without having to manually pass props at every level.

    • Implement Redux to manage global state and access data from any component without prop drilling.

    • Consider using React's useContext hook with Context API for a simpler way to consume context in functional components.

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Asked four programs
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion

Skills evaluated in this interview

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SunTec Web Services Interview FAQs

How many rounds are there in SunTec Web Services Reactjs Developer interview?
SunTec Web Services interview process usually has 1 rounds. The most common rounds in the SunTec Web Services interview process are Technical.

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