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Happiest Minds Technologies Java Developer Interview Questions and Answers

Updated 28 Apr 2024

Happiest Minds Technologies Java Developer Interview Experiences

3 interviews found

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 Mar 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Based on the resume
Round 2 - Technical 

(1 Question)

  • Q1. Scenario based questions
Round 3 - HR 

(1 Question)

  • Q1. Package discussion
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected 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
  • 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

Interview Preparation Tips

Topics to prepare for Happiest Minds Technologies Java Developer interview:
  • Core Java
  • Hibernate
  • Spring Boot
  • Java 8

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Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected 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
Round 4 - HR 

(1 Question)

  • Q1. Salary discussion

Java Developer Jobs at Happiest Minds Technologies

View all

Interview questions from similar companies

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

Interview Questionnaire 

3 Questions

  • Q1. Basic Programming questions.
  • Q2. Fibonacci program
  • Q3. OOPS concepts.

Interview Preparation Tips

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

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

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

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.

Interview Questionnaire 

2 Questions

  • Q1. Hibernate,Java 7,Multithreading
  • Q2. Prepare well on the above topics

I was interviewed in Mar 2021.

Interview Questionnaire 

1 Question

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

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 .

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

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

  • Answered by AI

Skills evaluated in this interview

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
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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 -

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

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Happiest Minds Technologies Java Developer Interview Process

based on 3 interviews

Interview experience

3.3
  
Average
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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
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Happiest Minds Technologies Java Developer Reviews and Ratings

based on 4 reviews

3.7/5

Rating in categories

3.4

Skill development

3.3

Work-life balance

2.7

Salary

3.2

Job security

3.4

Company culture

3.1

Promotions

3.2

Work satisfaction

Explore 4 Reviews and Ratings
Java Developer

Bhubaneswar

5-8 Yrs

Not Disclosed

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