40+ Java R & D Interview Questions & Answers | Complete Prep Guide 2025

Top Java R & D Interview Questions and Answers

Q1. What are Call, apply and bind methods, what is currying in JavaScript, closure , promises, hoisting, event Loop, restructuring.
asked in Reactjs Developer interview
View answer (1)
Q2. What is @RestController annotation
asked in SSE interview
View answer (1)
Q3. how can we extract data from pdf?
asked in Senior Data Scientist interview
View answer (1)

View all 7 questions

Java R & D Interview Experiences

Popular Designations

13 interviews found

Senior Data Scientist Interview Questions & Answers

Anonymous

posted on 23 Jan 2025

Interview experience

Average

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

No response

I was interviewed in Dec 2024.

Round 1 - Technical

(4 Questions)

Q1. Can you provide a brief overview of your previous work experience in machine learning?

Ans.

I have extensive experience in developing machine learning models for various industries.

Developed predictive models for customer churn prediction in telecommunications industry
Implemented natural language processing algorithms for sentiment analysis in social media data
Utilized deep learning techniques for image recognition in autonomous vehicles
Worked on anomaly detection models for fraud detection in financial servi

Answered by AI

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Q2. How can we extract data from pdf?

Ans.

Data from PDF can be extracted using tools like Python libraries, Adobe Acrobat, or online converters.

Use Python libraries like PyPDF2, pdfminer.six, or pdfplumber to extract text and data from PDF files.
Adobe Acrobat allows you to export PDF data into different formats like Excel or Word.
Online converters like Smallpdf or Zamzar can also be used to extract data from PDF files.
Consider using Optical Character Recogniti...

Answered by AI

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Q3. What architecture would be suitable for building a question-and-answer chatbot for workers, given a dataset consisting of images and text documents, and which models can be employed for this purpose?

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Q4. Mostly NLP and LLM related questions.

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - I attended two rounds of interviews: 1. HR screening and 2. Technical round (telephonic).

Senior Data Scientist Interview Questions asked at other Companies

Q1. What is the difference between logistic and linear regression?

View answer (4)

Juniper Networks

Our employees have rated us 4.2 on AmbitionBox.

Join a company where our employee's ratings speak volumes.

Java Developer Interview Questions & Answers

Anonymous

posted on 6 Jan 2025

Interview experience

Excellent

Difficulty level

Process Duration

Result

Round 1 - Coding Test

One coding task will be conducted during the interview using your preferred programming language and framework.

Round 2 - HR

(3 Questions)

Q1. Salary discussion

Add your answer

Q2. How soon you can join

Add your answer

Q3. Are you willing to work night shifts?

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - I am well prepared for the interview with all the technologies listed in my resume. The company is favorable for freshers but not suitable for those with experience.

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more

View answer (3)

Web Designer Interview Questions & Answers

Madiha

posted on 15 Jan 2024

Interview experience

Average

Difficulty level

Process Duration

Result

Round 1 - Technical

(3 Questions)

Q1. What is project

Ans.

A project is a planned and organized effort to achieve a specific goal within a defined timeframe.

A project involves a set of tasks and activities that are coordinated to achieve a desired outcome.
It has a defined scope, objectives, and deliverables.
Projects are temporary in nature and have a specific start and end date.
They require resources such as time, budget, and personnel.
Examples of projects include building a w...

Answered by AI

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Q2. What is your name

Add your answer

Q3. Work experience

Add your answer

Round 2 - Case Study

Designer how this work and how it looks

Interview Preparation Tips

Interview preparation tips for other job seekers - These app is very helpful to those are simply setting

Skills evaluated in this interview

Web Designer Interview Questions asked at other Companies

Q1. What is the data structure

View answer (3)

Senior Software Developer Interview Questions & Answers

Anonymous

posted on 21 Mar 2023

Interview experience

Good

Difficulty level

Process Duration

Result

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.

View all Resume tips

Round 2 - One-on-one

(1 Question)

Q1. More towards communication skills

Add your answer

Round 3 - Technical

(1 Question)

Q1. Detail about project you worked on and knowledge in the programming language

Add your answer

Interview Preparation Tips

Topics to prepare for Java R & D Senior Software Developer interview:

behavioural and technical

Interview preparation tips for other job seekers - Must be smart and presentable with excellent communication skills.

Senior Software Developer Interview Questions asked at other Companies

Q1. Intersection of Linked List Problem You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list. Your task is to determine the data of the node at which they sta... read more

View answer (1)

Process Coordinator Interview Questions & Answers

Anonymous

posted on 17 Dec 2022

Interview experience

Poor

Difficulty level

Moderate

Process Duration

2-4 weeks

Result

No response

I applied via Approached by Company and was interviewed in Nov 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.

View all Resume tips

Round 2 - Aptitude Test

Logical reasoning questions , timed out test,need to share screen, waiting for feedback ,lack of details of company in Wikipedia

Round 3 - One-on-one

(4 Questions)

Q1. What do you know about company

Add your answer

Q2. What would be your contribution to the company

Add your answer

Q3. What's your salary expectations

Add your answer

Q4. Would you agree for 2year lock in period

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Flexible with interview timings, no details of company found in Wikipedia

Process Coordinator Interview Questions asked at other Companies

Q1. What is ICH-GCP, what is clinical trials, what are the phases of clinical trial, Name some anti-cancer drugs.

View answer (1)

Reactjs Developer Interview Questions & Answers

Anonymous

posted on 7 Feb 2023

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Naukri.com and was interviewed in Aug 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.

View all Resume tips

Round 2 - Technical

(3 Questions)

Q1. What are Call, apply and bind methods, what is currying in JavaScript, closure , promises, hoisting, event Loop, restructuring.

Ans.

Call, apply, and bind are methods used to manipulate the context of a function. Currying is a technique to transform a function with multiple arguments into a sequence of functions with single arguments. Closure is a feature that allows a function to access variables from its outer scope. Promises are objects used for asynchronous programming. Hoisting is a behavior where variable and function declarations are moved to...

Answered by AI

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Q2. UseReducer, hooks, useMemo, useCallback, context API, redux, how to pass data between siblings, props uses in various ways, lifecycle Methods in class with detail, how componentShouldUpdate works and why w...

Add your answer

Q3. How to modularize code in ReactJs, How to perform test, what is typescript and how it's different.

Ans.

Modularizing code in ReactJs involves breaking down the application into smaller components for better organization and reusability.

Create separate components for different parts of the UI
Use props to pass data and functions between components
Use state to manage component-specific data
Use React Router to handle routing and navigation
Use CSS modules or styled-components for component-specific styling
Use Redux or Context...

Answered by AI

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Round 3 - Coding Test

I was asked to write a code for higher order component, code to optimize a component by using useMemo and useCallback, and write a code to difference between call, apply, and bind methods.
And finally I was asked to Create and submit a dashboard on their mail with a proper authentication withing 6 hours of time having minimal details.

Round 4 - HR

(7 Questions)

Q1. Background and current company experiences

Add your answer

Q2. What is your Family background?

Add your answer

Q3. Who was the Team lead,

Add your answer

Q4. How many members were working for a single project?

Add your answer

Q5. How many days it take to complete a project?

Add your answer

Q6. Reasons to leave the company?

Add your answer

Q7. What is your salary expectations?

Add your answer

Interview Preparation Tips

Topics to prepare for Java R & D Reactjs Developer interview:

Closure
Hooks
DOM
Promises
callBack function
Contest API
Redux
Currying
Hoisting
Usestrict
UseMemo
UseCallback
UseReducer
Memoizing

Interview preparation tips for other job seekers - Prepare for JavaScript Questions especially those that I have mentioned in the details, ReactJs Context API and Redux is equally important. Solve JavaScript Output Questions.

Skills evaluated in this interview

Reactjs Developer Interview Questions asked at other Companies

Q1. Implement counter such that it has 2 buttons to increment and decrement the values and also add a input field such that, whatever input is given, the value should be to that and value should should be decreased and increased from the input ... read more

View answer (2)

Jobs at Java R & D

View all

React Developer| freelancing | Remote

Indore

5-10 Yrs

Not Disclosed

Lead process coordinator

Indore

7-12 Yrs

₹ 6-12 LPA

AI/ML Engineer| Part-Time Freelance Opportunity | Permanent Remote Job

Indore

5-10 Yrs

Not Disclosed

Python Lead - Django/Flask (5-11 yrs)

5-11 Yrs

Not Disclosed

React.js - Part-Time Opportunity, Work from Home

Bhopal

5-10 Yrs

Not Disclosed

Java R&D Corp - Marketing Manager (8-11 yrs)

8-11 Yrs

Not Disclosed

Software Developer Interview Questions & Answers

Anonymous

posted on 3 Oct 2023

Interview experience

Excellent

Difficulty level

Easy

Process Duration

4-6 weeks

Result

Selected

I applied via Referral and was interviewed before Oct 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Be truthful in your resume. It is very easy to catch false or lies during the interview by asking basic questions.

View all Resume tips

Round 2 - Aptitude Test

Duration was 30 minutes for aptitude, coping is possible

Round 3 - Coding Test

1 hour of coding, coping is possible

Round 4 - One-on-one

(1 Question)

Q1. Salary discussion, major project, reason for joining

Add your answer

Interview Preparation Tips

Topics to prepare for Java R & D Software Developer interview:

forgery
cheating
people pleasing
noding

Interview preparation tips for other job seekers - joining can be easy, but growth is not.

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more

View answer (42)

Software Programmer Interview Questions & Answers

Anonymous

posted on 29 Apr 2022

I applied via Recruitment Consulltant and was interviewed in Oct 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.

View all Resume tips

Round 2 - Technical

(1 Question)

Q1. Basic questions on the field of expertise.

Add your answer

Round 3 - One-on-one

(1 Question)

Q1. HR connection and basic questions.

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Salary wise very good, but work culture can be confusing at times.

Software Programmer Interview Questions asked at other Companies

Q1. In the SQL server diff between delete truncate and drop functions.what is stored procedure and it's advantages.diff between function and stored procedure.

View answer (1)

Software Developer Interview Questions & Answers

Anonymous

posted on 5 Jul 2023

Interview experience

Poor

Difficulty level

Moderate

Process Duration

4-6 weeks

Result

Selected

I applied via Naukri.com and was interviewed before Jul 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.

View all Resume tips

Round 2 - Technical

(1 Question)

Q1. Asking tech stack question

Add your answer

Round 3 - Assignment

Need to write code live on machine

Round 4 - HR

(1 Question)

Q1. Asking salary joining

Add your answer

Software Developer Interview Questions asked at other Companies

View answer (42)

SSE Interview Questions & Answers

Anonymous

posted on 11 May 2021

I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.

Interview Questionnaire

2 Questions

Q1. Why String is immutable

Ans.

String is immutable to ensure thread safety, security, and caching benefits.

Immutable strings are thread-safe, as multiple threads can access the same string without any race conditions.
Immutable strings are secure, as they cannot be modified by malicious code.
Immutable strings can be cached, as their values never change, resulting in better performance.
Examples of immutable strings in Java include String, Integer, and

Answered by AI

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Q2. What is @RestController annotation

Ans.

The @RestController annotation is used in Spring to indicate that a class is a RESTful controller.

It is a specialized version of the @Controller annotation
It is used to handle HTTP requests and return JSON/XML responses
It eliminates the need for @ResponseBody annotation
Example: @RestController @RequestMapping("/api") public class ApiController { }

Answered by AI

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Interview Preparation Tips

Interview preparation tips for other job seekers - Questions were actor ding to latest trends

Skills evaluated in this interview

SSE Interview Questions asked at other Companies

Q1. What is docker and what are the basic commands of docker

View answer (1)

Top trending discussions

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I have 7 YOE. from Delhi Current CTC - 9.25LPA + 75K varriable. Working Skillset is Kubernetes and Openstack. Current - 100% WFH 1. NTT Data- Noida Hybrid CTC... read more

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Java R & D Interview FAQs

How many rounds are there in Java R & D interview?

Java R & D interview process usually has 2-3 rounds. The most common rounds in the Java R & D interview process are Technical, Resume Shortlist and One-on-one Round.

How to prepare for Java R & D interview?

Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Java R & D. The most common topics and skills that interviewers at Java R & D expect are Java, Python, Javascript, React.Js and Software Development.

What are the top questions asked in Java R & D interview?

Some of the top questions asked at the Java R & D interview -

What are Call, apply and bind methods, what is currying in JavaScript, closure ...read more
How to modularize code in ReactJs, How to perform test, what is typescript and ...read more
how can we extract data from p...read more

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Jobs at Java R & D

React Developer| freelancing | Remote

Indore

5-10 Yrs

Not Disclosed

Lead process coordinator

Indore

7-12 Yrs

₹ 6-12 LPA

AI/ML Engineer| Part-Time Freelance Opportunity | Permanent Remote Job

Indore

5-10 Yrs

Not Disclosed

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Java R & D Salaries in India

Software Engineer 137 salaries	₹0 L/yr - ₹0 L/yr
Senior Software Engineer 90 salaries	₹0 L/yr - ₹0 L/yr
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Process Coordinator 28 salaries	₹0 L/yr - ₹0 L/yr
Senior Software Developer 19 salaries	₹0 L/yr - ₹0 L/yr