200+ Sonata Software Interview Questions & Answers | Complete Prep Guide 2025

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Senior Java Developer Interview Questions & Answers

Anonymous

posted on 18 Jan 2022

I applied via Naukri.com and was interviewed before Jan 2021. 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.

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Round 2 - Technical

(8 Questions)

Q1. Old project tech stack and architecture

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Q2. When to use abstract class and when should we use interfaces in Java?

Ans.

Abstract classes are used for code reuse and interfaces are used for multiple inheritance and loose coupling.

Abstract classes can have both abstract and non-abstract methods while interfaces can only have abstract methods.
Abstract classes can have constructors while interfaces cannot.
Interfaces are used when a class needs to implement multiple behaviors while abstract classes are used for code reuse.
Interfaces promote ...

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Q3. ArrayList vs LinkedList

Ans.

ArrayList is better for random access, LinkedList is better for frequent insertion/deletion.

ArrayList uses contiguous memory, LinkedList uses nodes
ArrayList is faster for accessing elements by index
LinkedList is faster for adding or removing elements in the middle of the list
ArrayList is better for small lists, LinkedList is better for large lists

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Q4. Internal working of HashMap

Ans.

HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.

HashMap uses an array of buckets to store key-value pairs
Each bucket contains a linked list of entries
Hashing is used to determine the index of the bucket where the entry should be stored
If multiple entries have the same hash code, they are stored in the same bucket as a linked list
When retrieving a value, the hash code ...

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Q5. Spring IOC, DI, Autowiring

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Q6. ApplicationContext vs BeanFactory

Ans.

ApplicationContext is a sub-interface of BeanFactory in Spring Framework.

ApplicationContext provides more advanced features like AOP, i18n, event propagation, etc.
BeanFactory is a basic container that provides the fundamental functionality of DI and IOC.
ApplicationContext is preferred over BeanFactory in most cases due to its advanced features.
Example: ApplicationContext can be used to load properties files, whereas Be...

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Q7. Caching mechanisms used

Ans.

Caching mechanisms used

In-memory caching using ConcurrentHashMap or Guava Cache
Distributed caching using Redis or Hazelcast
HTTP caching using ETag or Last-Modified headers
Query caching using Hibernate or JPA
Page caching using Varnish or Squid

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Q8. AWS S3, EC2, Security Groups, VPC, Subnets

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Round 3 - Behavioral

(2 Questions)

Q1. Expectations from the project

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Q2. Basic project overview was provided

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Round 4 - HR

(2 Questions)

Q1. What are your salary expectations?

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Q2. Why are you looking for a change?

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Interview Preparation Tips

Topics to prepare for Sonata Software Senior Java Developer interview:

Java
AWS
Database
Spring

Interview preparation tips for other job seekers - Technical Interview is divided up into 3 parts:
- Java
- Spring
- AWS

Focus more on Java and spring... Basic knowledge of AWS would suffice...

Skills evaluated in this interview

Senior Java Developer Interview Questions asked at other Companies

Q1. Remove the Kth Node from the End of a Linked List You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Linked List. Input: The first line of ... read more

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Trainee Interview Questions & Answers

Anonymous

posted on 11 Dec 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

No response

I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Aptitude Test

First round was Aptitude round, Questions were tricky.

Round 2 - Technical

(1 Question)

Q1. Second round was Technical Round -1, here they asked about introduction, project and ML

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Round 3 - Technical

(1 Question)

Q1. Third round was Technical round -3, here the interviewer gave me situational based questions and i had to answer them

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Trainee Interview Questions asked at other Companies

Q1. Ques1: There is a big file of words which is dynamically changing. We are continuously adding some words into it. How would you keep track of top 10 trending words at each moment? Ques2:Write a function that returns the length of the longes... read more

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Sonata Software Interview Questions and Answers for Freshers

Interview Questions & Answers

Anonymous

posted on 4 Dec 2024

Interview experience

Good

Difficulty level

Process Duration

Result

Round 1 - One-on-one

(5 Questions)

Q1. Self introduction

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Q2. Rotate a 2d matrix by 90 degree

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Q3. Search key in 2d

Ans.

Search for a key in a 2D array where rows and columns are sorted in ascending order.

Iterate through each row and column to search for the key
Start from the top right corner or bottom left corner for efficient search
Use binary search within each row or column for faster search

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Q4. Maximus sum substring

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Q5. SQL query to calculate average salary of each department

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Skills evaluated in this interview

Network Engineer Interview Questions & Answers

naveen rajendran

posted on 3 Dec 2024

Interview experience

Average

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

No response

I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical

(3 Questions)

Q1. What is the SMTP?

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Q2. What is the RSMTP?

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Q3. Tell about TCP Rest

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Network Engineer Interview Questions asked at other Companies

Q1. TCP/IP layers, why is transport needed for communication? What is Subnet mask and how does it help in data communication. Why is Vlan needed? Based on what information does a switch and router send a packet or frame? Types of arp, What is p... read more

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Devops Engineer Interview Questions & Answers

upendra

posted on 11 Oct 2024

Interview experience

Good

Difficulty level

Process Duration

Result

Round 1 - HR

(2 Questions)

Q1. About your self

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Q2. How do you learn devops

Ans.

Learning DevOps involves a combination of self-study, online courses, hands-on experience, and networking with other professionals.

Take online courses on platforms like Udemy, Coursera, or Pluralsight to learn the fundamentals of DevOps practices and tools.
Practice using DevOps tools in a lab environment or on personal projects to gain hands-on experience.
Attend DevOps meetups, conferences, and webinars to network with...

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Round 2 - Technical

(3 Questions)

Q1. How do you check container logs?

Ans.

To check container logs, use commands like docker logs or kubectl logs.

Use 'docker logs ' to view logs of a Docker container.
Use 'kubectl logs ' to view logs of a Kubernetes pod.
Check log files within the container by accessing the container's shell and navigating to the log directory.

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Q2. Docker mostly used commands?

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Q3. How to restartJenkins

Ans.

To restart Jenkins, you can either use the Jenkins web interface or the command line.

To restart Jenkins using the web interface, navigate to 'Manage Jenkins' > 'Reload Configuration from Disk' > 'Restart'
To restart Jenkins using the command line, you can use the following command: 'sudo systemctl restart jenkins'
Make sure to have the necessary permissions to restart Jenkins

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Round 3 - Coding Test

Write some groovy code

Interview Preparation Tips

Interview preparation tips for other job seekers - We have so many jobs in market try and try we can reach the goal

Skills evaluated in this interview

Devops Engineer Interview Questions asked at other Companies

Q1. Reverse the String Problem Statement You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string. Example: Input: STR = "abcde" Output: "edcba" Input: The first line of input cont... read more

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Get interview-ready with Top Sonata Software Interview Questions

Intern Interview Questions & Answers

Anonymous

posted on 7 Oct 2024

Interview experience

Excellent

Difficulty level

Process Duration

Result

Round 1 - Aptitude Test

AMCAT aptitude test for the first round, selected candidates will further go through 2 rounds of interview

Round 2 - Technical

(2 Questions)

Q1. Basic technical coding questions from Engineering syllabus

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Q2. Any random questions from the syllabus, even if you don't know the correct answer just be confident about whatever you know.

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Round 3 - HR

(1 Question)

Q1. SWOT ANALYSIS QUESTIONS, BASIC QUESTIONS ABOUT YOURSELF

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Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more

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