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Carelan Interview Questions and Answers

Updated 17 Jun 2025
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10 Interview questions

A Java Support Engineer was asked
Q. How do you fetch a value from the application.properties file in Spring Boot?
Ans. 

To fetch a value from application.properties file in Spring Boot, use @Value annotation or Environment object.

  • Use @Value annotation to inject values directly into a field

  • Use Environment object to access properties programmatically

  • Example: @Value("${my.property}") private String myProperty;

  • Example: @Autowired private Environment env; String propertyValue = env.getProperty("my.property");

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How do you retrieve the PIDs of Java processes?
Ans. 

You can pull the pids of Java processes using command line tools like jps or ps.

  • Use 'jps' command to list Java processes along with their pids.

  • Use 'ps -ef | grep java' command to list all processes with 'java' in their name and find the pid.

  • You can also use tools like VisualVM or JConsole to monitor and manage Java processes.

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How would you reduce heap memory usage?
Ans. 

To reduce heap memory usage in Java, you can optimize code, limit object creation, use data structures efficiently, and tune JVM settings.

  • Optimize code by avoiding unnecessary object creation and using efficient algorithms

  • Limit object creation by reusing objects, using object pooling, or implementing flyweight design pattern

  • Use data structures efficiently by choosing the right data structure for the task at hand

  • Tu...

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. Name a few annotations in Spring Boot.
Ans. 

Some annotations in Spring Boot are @RestController, @Autowired, @Component, @RequestMapping, @Service.

  • @RestController - used to define RESTful web services.

  • @Autowired - used for automatic dependency injection.

  • @Component - marks a java class as a bean so that the component-scanning mechanism of Spring can pick it up and pull it into the application context.

  • @RequestMapping - used to map web requests to specific han...

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How does the front end communicate with the backend in Spring?
Ans. 

Front end communicates with the backend in Spring through HTTP requests using RESTful APIs.

  • Front end sends HTTP requests to the backend server

  • Backend server processes the requests and sends back HTTP responses

  • Communication is typically done using RESTful APIs in Spring MVC

  • Data is exchanged in JSON format between front end and backend

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How do you replace a value in a HashMap?
Ans. 

Use the put() method to replace a value in a HashMap.

  • Use the put() method with the key of the value you want to replace

  • Example: map.put(key, newValue);

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How do you create a JAR/WAR file?
Ans. 

To create a Jar/war file, use the jar command in the terminal or an IDE like Eclipse.

  • Use the jar command in the terminal to create a Jar file: jar cf jarFileName.jar file1 file2

  • Use the jar command with 'war' option to create a War file: jar cf warFileName.war file1 file2

  • In Eclipse, right-click on the project, go to Export > JAR file/WAR file, and follow the prompts

View all Java Support Engineer interview questions
Are these interview questions helpful?
A Java Support Engineer was asked
Q. What happens when we run 'mvn clean install'?
Ans. 

mvn clean install is a Maven command used to clean the project, compile the source code, run tests, and package the application.

  • Removes target directory to clean project

  • Compiles the source code

  • Runs tests

  • Packages the application

  • Dependencies are downloaded if needed

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How do you change the data type of a column in SQL?
Ans. 

You can change the data type of a column in SQL using the ALTER TABLE statement.

  • Use the ALTER TABLE statement followed by the MODIFY COLUMN clause to change the data type of a column.

  • Specify the new data type for the column after the MODIFY COLUMN clause.

  • Make sure to handle any data conversion or potential data loss when changing the data type.

View all Java Support Engineer interview questions
A Java Support Engineer was asked
Q. How would you debug code?
Ans. 

I will use logging, debugging tools like breakpoints, and analyzing stack traces to identify and fix issues in the code.

  • Use logging statements to track the flow of the code and identify any unexpected behavior.

  • Set breakpoints in the code to pause execution at specific points and inspect variables and data.

  • Analyze stack traces to understand the sequence of method calls leading to an error.

  • Use debugging tools like E...

View all Java Support Engineer interview questions

Carelan Interview Experiences

12 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Job Portal and was interviewed in Aug 2023. There were 2 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 tips
Round 2 - Technical 

(12 Questions)

  • Q1. How will you create a Jar/war file
  • Ans. 

    To create a Jar/war file, use the jar command in the terminal or an IDE like Eclipse.

    • Use the jar command in the terminal to create a Jar file: jar cf jarFileName.jar file1 file2

    • Use the jar command with 'war' option to create a War file: jar cf warFileName.war file1 file2

    • In Eclipse, right-click on the project, go to Export > JAR file/WAR file, and follow the prompts

  • Answered by AI
  • Q2. How will you debug the code
  • Ans. 

    I will use logging, debugging tools like breakpoints, and analyzing stack traces to identify and fix issues in the code.

    • Use logging statements to track the flow of the code and identify any unexpected behavior.

    • Set breakpoints in the code to pause execution at specific points and inspect variables and data.

    • Analyze stack traces to understand the sequence of method calls leading to an error.

    • Use debugging tools like Eclips...

  • Answered by AI
  • Q3. For example if you want to take the thread dump of java process - use jps command to find the java processes and their pids. Run the jstack command with the pid of the java process - jstack
  • Q4. How will you replace a value in hashmap
  • Ans. 

    Use the put() method to replace a value in a HashMap.

    • Use the put() method with the key of the value you want to replace

    • Example: map.put(key, newValue);

  • Answered by AI
  • Q5. How will you organize if Employee class has many department in it (Hibernate)
  • Ans. Add @entity annotation to the Employee class and then add @oneToMany annotation to the department instance in the employee class
  • Answered by Mohamed Raffi
  • Q6. How the front end communicates with the backend in Spring
  • Ans. 

    Front end communicates with the backend in Spring through HTTP requests using RESTful APIs.

    • Front end sends HTTP requests to the backend server

    • Backend server processes the requests and sends back HTTP responses

    • Communication is typically done using RESTful APIs in Spring MVC

    • Data is exchanged in JSON format between front end and backend

  • Answered by AI
  • Q7. How will you fetch a value from the application.proprties file in spring boot
  • Ans. 

    To fetch a value from application.properties file in Spring Boot, use @Value annotation or Environment object.

    • Use @Value annotation to inject values directly into a field

    • Use Environment object to access properties programmatically

    • Example: @Value("${my.property}") private String myProperty;

    • Example: @Autowired private Environment env; String propertyValue = env.getProperty("my.property");

  • Answered by AI
  • Q8. Name few annotations in springboot
  • Ans. 

    Some annotations in Spring Boot are @RestController, @Autowired, @Component, @RequestMapping, @Service.

    • @RestController - used to define RESTful web services.

    • @Autowired - used for automatic dependency injection.

    • @Component - marks a java class as a bean so that the component-scanning mechanism of Spring can pick it up and pull it into the application context.

    • @RequestMapping - used to map web requests to specific handler ...

  • Answered by AI
  • Q9. How will change the data type of a column in sql
  • Ans. 

    You can change the data type of a column in SQL using the ALTER TABLE statement.

    • Use the ALTER TABLE statement followed by the MODIFY COLUMN clause to change the data type of a column.

    • Specify the new data type for the column after the MODIFY COLUMN clause.

    • Make sure to handle any data conversion or potential data loss when changing the data type.

  • Answered by AI
  • Q10. How will you pull the pids of the java process
  • Ans. 

    You can pull the pids of Java processes using command line tools like jps or ps.

    • Use 'jps' command to list Java processes along with their pids.

    • Use 'ps -ef | grep java' command to list all processes with 'java' in their name and find the pid.

    • You can also use tools like VisualVM or JConsole to monitor and manage Java processes.

  • Answered by AI
  • Q11. How will you reduce the heap memory
  • Ans. 

    To reduce heap memory usage in Java, you can optimize code, limit object creation, use data structures efficiently, and tune JVM settings.

    • Optimize code by avoiding unnecessary object creation and using efficient algorithms

    • Limit object creation by reusing objects, using object pooling, or implementing flyweight design pattern

    • Use data structures efficiently by choosing the right data structure for the task at hand

    • Tune JV...

  • Answered by AI
  • Q12. Whah happens when we do mvn clean install
  • Ans. 

    mvn clean install is a Maven command used to clean the project, compile the source code, run tests, and package the application.

    • Removes target directory to clean project

    • Compiles the source code

    • Runs tests

    • Packages the application

    • Dependencies are downloaded if needed

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - most of the questions were scenario based. only if you have worked in the similar project - you can crack the interview.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

60 minutes, Java, Structure and basics

Round 2 - Aptitude Test 

60 minutes, java, structure and basics

Interview Questions & Answers

user image Anonymous

posted on 3 Oct 2023

Interview experience
1
Bad
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 tips
Round 2 - One-on-one 

(4 Questions)

  • Q1. Technical questions
  • Q2. What is workday
  • Q3. What is hire and rehire
  • Q4. How to handle challenges
Round 3 - HR 

(1 Question)

  • Q1. What is last drawn salary

Interview Preparation Tips

Interview preparation tips for other job seekers - Check the exact work details and work culture of the team

Area Manager Interview Questions & Answers

user image Anonymous

posted on 20 Mar 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Tell me about your self
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I appeared for an interview in May 2024.

Round 1 - HR 

(1 Question)

  • Q1. Tell me about yourself

Associate Interview Questions & Answers

user image Anonymous

posted on 9 May 2024

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

(2 Questions)

  • Q1. About the process
  • Q2. About the medical condition
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Campus Placement and was interviewed in Aug 2023. 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 tips
Round 2 - Aptitude Test 

Basic aptitude test with output type questions and a coding question

Round 3 - Communication round 

(1 Question)

  • Q1. Tell me about yourself Preferred coding language Questions on that language Oops concepts SQL inner join

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the basics very well, and prepare a preferred language
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview in Jun 2023, where I was asked the following questions.

  • Q1. Gcp tools like Bigquery, Airflow, Pub sub
  • Q2. Sql query and python codes

Interview Questions & Answers

user image Anonymous

posted on 13 Aug 2024

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Selfintroduction
  • Q2. About healthcare claims
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Sep 2022. 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 - Technical 

(1 Question)

  • Q1. Questions on SQL
Round 3 - HR 

(1 Question)

  • Q1. Asking personal details , Salary related information
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. About the current working project and all mainframe basics
Round 2 - One-on-one 

(1 Question)

  • Q1. Domain related questions
Round 3 - HR 

(1 Question)

  • Q1. CTC discussion, roles and responsibilities

Top trending discussions

View All
Interview Tips & Stories
1w
toobluntforu
·
works at
Cvent
Can speak English, can’t deliver in interviews
I feel like I can't speak fluently during interviews. I do know english well and use it daily to communicate, but the moment I'm in an interview, I just get stuck. since it's not my first language, I struggle to express what I actually feel. I know the answer in my head, but I just can’t deliver it properly at that moment. Please guide me
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Carelan Interview FAQs

How many rounds are there in Carelan interview?
Carelan interview process usually has 2-3 rounds. The most common rounds in the Carelan interview process are HR, Resume Shortlist and Technical.
How to prepare for Carelan 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 Carelan. The most common topics and skills that interviewers at Carelan expect are Training, Healthcare, Interpersonal Skills, Scheduling and Supervision.
What are the top questions asked in Carelan interview?

Some of the top questions asked at the Carelan interview -

  1. how will you fetch a value from the application.proprties file in spring b...read more
  2. how will change the data type of a column in ...read more
  3. how the front end communicates with the backend in Spr...read more
How long is the Carelan interview process?

The duration of Carelan interview process can vary, but typically it takes about less than 2 weeks to complete.

Tell us how to improve this page.

Overall Interview Experience Rating

4.7/5

based on 10 interview experiences

Difficulty level

Moderate 100%

Duration

Less than 2 weeks 67%
2-4 weeks 33%
View more

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based on 20 reviews

3.3/5

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3.3

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3.3

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3.2

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