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KOVAN TECHNOLOGY LABS Java Developer Interview Questions and Answers

Updated 29 Mar 2021

KOVAN TECHNOLOGY LABS Java Developer Interview Experiences

1 interview found

Java Developer Interview Questions & Answers

user image Anonymous

posted on 29 Mar 2021

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Comparison between Comparable and Comparator ?
  • Ans. 

    Comparable is used to define natural ordering while Comparator is used to define custom ordering.

    • Comparable is implemented by the class whose objects need to be sorted.

    • Comparator is a separate class that can be passed to sorting methods.

    • Comparable uses compareTo() method to compare objects.

    • Comparator uses compare() method to compare objects.

    • Comparable sorts objects in ascending order by default.

    • Comparator can sort obje...

    • Answered by AI
    Add your answer
  • Q2. What are the methods used in RestFul Services ?
  • Ans. 

    Methods used in RestFul Services include GET, POST, PUT, DELETE, PATCH.

    • GET - retrieves data from a server

    • POST - sends data to a server to create a resource

    • PUT - sends data to a server to update a resource

    • DELETE - deletes a resource from a server

    • PATCH - updates a resource partially

    • Answered by AI
    Add your answer
  • Q3. Hibernate Mapping concepts
    • Add your answer
  • Q4. What is the need of Wrapper Class?
  • Ans. 

    Wrapper classes are needed to convert primitive data types into objects and provide additional functionality.

    • Wrapper classes allow primitive data types to be used in collections, as collections can only store objects.

    • Wrapper classes provide methods to perform various operations on the primitive data types.

    • Wrapper classes are used in situations where an object is required instead of a primitive data type.

    • Wrapper classes...

    • Answered by AI
    View 1 more answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Please prepare all the topics you are expert in it !!!. . Prepare the answers as like as comparatively with real time examples.

Skills evaluated in this interview

Top trending discussions

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Engineering - Software & QA
1w (edited)
unsurpassedalbert
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·
works at
TCS
Trying to switch after 8 years
I have been working in IT INDUSTRY for 8 years in the same Company I always thought about stability and a secure job that's the reason. I never tried to switch but now due to family expenses I need to change companies in any conditions. Please can anybody suggest the companies with the same stability and security of jobs in the IT sector Worked in the following domains till now Hitech domain Banking(BFSI) domain Telecom - Verizon
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Interview questions from similar companies

Java Developer Interview Questions & Answers

Northcorp Software user image Anonymous

posted on 11 Jan 2025

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

(2 Questions)

  • Q1. What is Java related framework?
    • Add your answer
  • Q2. Java related framework is Spring Boot, Eclipse, Visual Studio Code....etc.
    • Add your answer

Java Developer Interview Questions & Answers

Thinkitive Technologies user image Anonymous

posted on 7 Dec 2024

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Questions on string and arrays both are moderate level questions on hacherrank type for 20 marks

Round 2 - Technical 

(2 Questions)

  • Q1. Constructor chaining
    • Add your answer
  • Q2. Hasmap and treemap
    • Add your answer

Java Developer Interview Questions & Answers

NexTurn user image Anonymous

posted on 19 Jan 2023

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

I applied via campus placement at National Institute of Technology (NIT), Warangal and was interviewed in Jul 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 - Aptitude Test 

Their are 30 questions which one has to done in 30 mins

Round 3 - Technical 

(2 Questions)

  • Q1. Q1) About the project you have done
    • Add your answer
  • Q2. Q2) some technical questions related to core Java
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare your projects well enough so that you are answerable to each question asked

Java Developer Interview Questions & Answers

Solartis Technology Services user image Anonymous

posted on 31 May 2022

I applied via Naukri.com and was interviewed before May 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Easy

Round 2 - Technical 

(1 Question)

  • Q1. Tell me about yourself Why you choose IT & developer role OOPs concept, sample Java program
    • Add your answer
Round 3 - HR 

(1 Question)

  • Q1. Personal and salary details.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay calm and cool.Have better internet connection.Take enough time and answer.
Good luck.

Java Developer Interview Questions & Answers

Northcorp Software user image Anonymous

posted on 9 Jan 2025

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

(2 Questions)

  • Q1. How many types of programming languages?
    • Add your answer
  • Q2. There are three types of programming language. 1 - Hgh Level. 2 - Mid Level. 3 - Low Level.
    • Add your answer

Java Developer Interview Questions & Answers

Thinkitive Technologies user image Rupali Gaikar

posted on 8 Aug 2024

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

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

Round 1 - Technical 

(1 Question)

  • Q1. Oops Concepts ,Absrtraction,Polymorphism
    • Add your answer

Java Developer Interview Questions & Answers

Northcorp Software user image Anonymous

posted on 6 Jan 2025

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is stands for JAVA?
    • Add your answer
  • Q2. Just another virtual accelerator.
    • Add your answer

Java Developer Interview Questions & Answers

Thinkitive Technologies user image Anonymous

posted on 2 May 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Q.1 Pattern
1
*2*
**3**
Q. 2
write code to get sub array with max sum from given array.

Round 2 - Technical 

(1 Question)

  • Q1. Introduction Project Deatails Oops Concept Collection Exception Handling Abstract Class Functional Interface Spring Framework
    • Add your answer

Interview Preparation Tips

Topics to prepare for Thinkitive Technologies Java Developer interview:
  • Java
  • Advanced Java
  • SQL
  • Data Structures

Java Developer Interview Questions & Answers

Northcorp Software user image Anonymous

posted on 6 Jan 2025

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

(2 Questions)

  • Q1. What is Java Language?
    • Add your answer
  • Q2. Java is a high level language object oriented programming.
    • Add your answer
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  1. What are the methods used in RestFul Service...read more
  2. What is the need of Wrapper Cla...read more
  3. Comparison between Comparable and Comparato...read more

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