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Stellar Informatics Software Developer Interview Questions, Process, and Tips

Updated 29 Apr 2022

Top Stellar Informatics Software Developer Interview Questions and Answers

View all 6 questions

Stellar Informatics Software Developer Interview Experiences

2 interviews found

I applied via Naukri.com and was interviewed before Apr 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 tips
Round 2 - Aptitude Test 

40 questions of tick mark

Round 3 - Technical 

(1 Question)

  • Q1. Very strong to core Java and basic of opps

Interview Preparation Tips

Topics to prepare for Stellar Informatics Software Developer interview:
  • Core Java
Interview preparation tips for other job seekers - Company atleast 3 months without any pay for you.

I was interviewed before Dec 2019.

Interview Questionnaire 

6 Questions

  • Q1. Difference between hash table hash map?
  • Ans. 

    Hash table and hash map are two names for the same data structure that stores key-value pairs.

    • Both use a hash function to map keys to indices in an array

    • Hash table is an older term, while hash map is more commonly used in modern programming languages

    • Java uses the term HashMap, while Python uses the term dict

    • Hash maps/tables have O(1) average case time complexity for insertion, deletion, and retrieval

  • Answered by AI
  • Q2. What is collection and collections?
  • Ans. 

    A collection is a group of objects of the same type while collections are classes that implement data structures.

    • Collections are used to store, retrieve, manipulate, and communicate aggregate data.

    • Java.util package provides various classes for implementing collections like ArrayList, LinkedList, HashSet, etc.

    • Collections can be generic or non-generic, ordered or unordered, and allow duplicates or not.

    • Collections can be ...

  • Answered by AI
  • Q3. Difference between collection and collections?
  • Ans. 

    collection is an interface in Java that represents a group of objects while collections is a class that provides utility methods for collections.

    • Collection is an interface while Collections is a class

    • Collection is a part of Java Collections Framework while Collections is a utility class

    • Collection is used to represent a group of objects while Collections is used to provide utility methods for collections

    • Example of Colle...

  • Answered by AI
  • Q4. Difference between Set And vector?
  • Ans. 

    Set is an unordered collection of unique elements while vector is an ordered collection of elements.

    • Set does not allow duplicates while vector can have duplicates.

    • Set is implemented using hash table while vector is implemented using dynamic array.

    • Set has faster lookup time while vector has faster iteration time.

    • Set is useful when uniqueness is important while vector is useful when order is important.

  • Answered by AI
  • Q5. Write A program take the name and print the hello user name ?
  • Ans. 

    A program to take user name and print 'Hello, username'

    • Create a variable to store the user input

    • Use printf or cout to print the greeting with the user input

  • Answered by AI
  • Q6. Connection of database program ?
  • Ans. 

    Database program can be connected using various methods such as JDBC, ODBC, ORM, etc.

    • JDBC is a Java API for connecting to databases

    • ODBC is a standard API for connecting to databases

    • ORM frameworks like Hibernate can be used to connect to databases

    • Connection string is used to specify the database connection details

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - First round clear apptitude round then after clear face to face round.

Skills evaluated in this interview

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Interview questions from similar companies

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

(2 Questions)

  • Q1. HashCode and equals method difference
  • Q2. Project discussion
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
-

I applied via LinkedIn and was interviewed in Dec 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Coding test includes 2 codes and some mcq questions

Round 2 - Technical 

(2 Questions)

  • Q1. Introduce yourself and project
  • Ans. 

    I am a software engineer with experience in developing web applications using Java and JavaScript.

    • Experienced in Java and JavaScript programming languages

    • Developed web applications using Spring Boot and React

    • Familiar with Agile development methodologies

  • Answered by AI
  • Q2. Coding questions
Round 3 - Technical 

(2 Questions)

  • Q1. Project pverview
  • Q2. Basic technical questions
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Oct 2024.

Round 1 - Coding Test 

First round was coding test on Coderbyte it was good.

Round 2 - Technical 

(2 Questions)

  • Q1. This round is video technical interview on flowcareer platform
  • Q2. Coding DSA question was asked on array.
Round 3 - Technical 

(2 Questions)

  • Q1. This round contains mix questions on theory as well as DSA.
  • Q2. Machine coding question asked on react.js.
Round 4 - Technical 

(2 Questions)

  • Q1. Some basic react.js and node.js questions.
  • Q2. Questions asked on MongoDB and one DSA question on array asked.
Round 5 - HR 

(1 Question)

  • Q1. This round is HR salary discussion round and i got offer.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Dec 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. DSA probelms and java oops concepts
Round 2 - Technical 

(1 Question)

  • Q1. DSA JAVA, SRINGBOOT - DESIGN PATTERNS
Round 3 - HR 

(1 Question)

  • Q1. HR discussion on how the company works and hr explained the work culture. Salary discussion and benefit

I applied via Recruitment Consulltant and was interviewed before Aug 2021. There were 3 interview rounds.

Round 1 - Coding Test 

Array tasks on given platform

Round 2 - One-on-one 

(1 Question)

  • Q1. Technical questions on core java
Round 3 - One-on-one 

(1 Question)

  • Q1. About frontend technology questions

Interview Preparation Tips

Interview preparation tips for other job seekers - study every topic in detail. oops, collection, exception handling

I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. It was mostly puzzles.
  • Q2. One algo question invoving recursive function .

Interview Preparation Tips

Interview preparation tips for other job seekers - For freshers - prepare puzzles and basic computer science fundamentals
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Aug 2023. 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 tips
Round 2 - Coding Test 

The test is around 1 hour. All the questions will test the aptitude and coding skills. The questions are challenging but few are easy to crack.

Round 3 - Technical 

(4 Questions)

  • Q1. Questions on the Java 8 features
  • Q2. Questions on the spring boot
  • Q3. Asked me to code on Java 8 features, Springboot
  • Q4. Questions on the restful APIs

Interview Preparation Tips

Interview preparation tips for other job seekers - The technical interview is very well conducted. They asked me on the previous work that I have done and mostly questions were asked on that. And as per coding, simple Java 8 features related question and Springboot related question were asked to me. Overall, if you have good grip on the previous work and on the technology you are applying for, you can easily crack the interview.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

The aptitude test had various sections for programming mcq questions, basic aptitude and also coding questions

Round 2 - Technical 

(2 Questions)

  • Q1. Questions related to project that I have worked on
  • Q2. Technical Questions related to my stack react and node, and some js coding questions
Round 3 - Technical 

(2 Questions)

  • Q1. Questions related to project that I worked on
  • Q2. Technical questions related to my stack

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus more on fundamentals

Stellar Informatics Interview FAQs

How many rounds are there in Stellar Informatics Software Developer interview?
Stellar Informatics interview process usually has 3 rounds. The most common rounds in the Stellar Informatics interview process are Resume Shortlist, Aptitude Test and Technical.
What are the top questions asked in Stellar Informatics Software Developer interview?

Some of the top questions asked at the Stellar Informatics Software Developer interview -

  1. Write A program take the name and print the hello user nam...read more
  2. What is collection and collectio...read more
  3. Difference between hash table hash m...read more

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Stellar Informatics Software Developer Salary
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₹1.2 L/yr - ₹5 L/yr
50% less than the average Software Developer Salary in India
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