7 Happiest Minds Technologies Java Developer Interview Questions & Answers | Complete Prep Guide 2025

Happiest Minds Technologies Java Developer Interview Experiences

3 interviews found

Java Developer Interview Questions & Answers

Anonymous

posted on 28 Apr 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

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

Round 1 - Technical

(1 Question)

Q1. Based on the resume

Add your answer

Round 2 - Technical

(1 Question)

Q1. Scenario based questions

Add your answer

Round 3 - HR

(1 Question)

Q1. Package discussion

Add your answer

Java Developer Interview Questions & Answers

posted on 29 Apr 2023

Interview experience

Poor

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I applied via Naukri.com and was interviewed in Mar 2023. There were 2 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

(2 Questions)

Q1. 1. Write a program to sort the characters of a string in descending order? 2. Write a lambda expression of addition? 3. How to write custom exceptions? 4. What is indexing?

Ans.

This program sorts the characters of a string in descending order.

Convert the string to a character array
Sort the character array in descending order
Convert the sorted character array back to a string

Answered by AI

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Q2. 5. What are scope of beans? 6. Functional interfaces and examples 7. Can we make a class as private? 8. SQL query to find employees of particular department table. 9. Cascading 10. MapBy in hibernate 11. ...

Ans.

Java Developer interview questions on beans, functional interfaces, SQL queries, hibernate, and more.

Scope of beans refers to the visibility of a bean within an application context.
Functional interfaces have only one abstract method and can be used as lambda expressions.
Classes cannot be private, but their constructors can be.
SQL query to find employees of a particular department table: SELECT * FROM employees WHERE de...

Answered by AI

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Interview Preparation Tips

Topics to prepare for Happiest Minds Technologies Java Developer interview:

Core Java
Hibernate
Spring Boot
Java 8

Java Developer Interview Questions & Answers

Anonymous

posted on 26 Oct 2023

Interview experience

Good

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I applied via Approached by Company and was interviewed before Oct 2022. There were 4 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 - Coding Test

Recursion of prime number

Round 3 - Technical

(1 Question)

Q1. Question related to project and on spring boot

Add your answer

Round 4 - HR

(1 Question)

Q1. Salary discussion

Add your answer

Java Developer Jobs at Happiest Minds Technologies

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Java Developer

Bhubaneswar

5-8 Yrs

Not Disclosed

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Interview questions from similar companies

Software Developer Interview Questions & Answers

LTIMindtree

Anonymous

posted on 27 Dec 2021

I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.

Interview Questionnaire

3 Questions

Q1. Basic Programming questions.

Add your answer

Q2. Fibonacci program

Add your answer

Q3. OOPS concepts.

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic OOPS concepts and basic programs.

Software Developer Interview Questions & Answers

Infosys

Anonymous

posted on 13 Feb 2021

Interview Questionnaire

2 Questions

Q1. They asked me on java and I have joined as a fresher they not much questions as I got selected as fresher on oops concepts and collections

Add your answer

Q2. Please be confident while facing interview and they will check your communication skills

Add your answer

Java Developer Interview Questions & Answers

Infosys

posted on 19 Apr 2021

I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire

1 Question

Q1. 1) Basics concepts of java. 2) Some basics SQL questions. 3) Questions on previous experience

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn about basics of java, prepare well about your past experience skills... They asked only those questions.

Software Developer Interview Questions & Answers

Infosys

Anonymous

posted on 20 Apr 2021

Interview Questionnaire

2 Questions

Q1. Hibernate,Java 7,Multithreading

Add your answer

Q2. Prepare well on the above topics

Add your answer

Software Developer Interview Questions & Answers

LTIMindtree

Anonymous

posted on 9 Aug 2021

I was interviewed in Mar 2021.

Interview Questionnaire

1 Question

Q1. .net core , mvc basics and some scripting language

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Stick to basics , know about your current project . If interviewer asks you if you have to ask anything , do ask . For my case I asked for his advice where I need to improve. He answered genuinely and even came to know about my other technical skills .

Java Developer Interview Questions & Answers

Wipro

Anonymous

posted on 19 Jan 2021

I applied via Naukri.com and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire

3 Questions

Q1. Tell me some keywords to make a thread safe program in java ?

Ans.

Keywords for thread safe program in Java

Synchronization using synchronized keyword
Using volatile keyword for shared variables
Using atomic classes for thread safe operations
Using thread safe collections like ConcurrentHashMap
Using locks and semaphores for synchronization
Avoiding shared mutable state
Using immutable objects
Using thread local variables

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Q2. Please let me know keywords name which is available in keyword list but we don't used them.

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Q3. When you will received class modification exception.

Ans.

Class modification exception occurs when a class is modified after it has been loaded by the JVM.

This exception is thrown when a class is modified and then reloaded by the JVM.
It can occur when a class is modified during runtime or when a new version of a class is loaded.
This exception can be avoided by using a class loader that isolates the classes from each other.
An example of this exception is when a method is added...

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Skills evaluated in this interview

Software Developer Interview Questions & Answers

HCLTech

Anonymous

posted on 19 Jun 2021

Interview Questionnaire

1 Question

Q1. In 1st round they asked aptitude questions And 2nd round was an technical hr interview in this they asked oops concepts and basic C programming

Add your answer

Happiest Minds Technologies Interview FAQs

How many rounds are there in Happiest Minds Technologies Java Developer interview?

Happiest Minds Technologies interview process usually has 3 rounds. The most common rounds in the Happiest Minds Technologies interview process are Technical, Resume Shortlist and HR.

How to prepare for Happiest Minds Technologies Java Developer 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 Happiest Minds Technologies. The most common topics and skills that interviewers at Happiest Minds Technologies expect are Spring Boot, Java, Microservices, Analytical skills and Communication Skills.

What are the top questions asked in Happiest Minds Technologies Java Developer interview?

Some of the top questions asked at the Happiest Minds Technologies Java Developer interview -

5. What are scope of beans? 6. Functional interfaces and examples 7. Can we mak...read more
1. Write a program to sort the characters of a string in descending order? 2. W...read more
Scenario based questi...read more

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Happiest Minds Technologies Java Developer Salary

based on 47 salaries

₹2.6 L/yr - ₹5.9 L/yr

31% less than the average Java Developer Salary in India

View more details

Java Developer Jobs at Happiest Minds Technologies

Java Developer

Bhubaneswar

5-8 Yrs

Not Disclosed

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Happiest Minds Technologies Salaries in India

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