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CognitivZen Technologies Java Developer Interview Questions and Answers

Updated 26 Nov 2023

2 interviews found

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Java Developer Interview Questions

user image Anonymous

posted on 5 Sep 2023

Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 No response

I applied via Naukri.com and was interviewed in Aug 2023.

2 Interview Rounds

1

Resume Shortlist Round

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
2

Technical Round (2 Questions)

  • Q1. What is Reflection Api
  • Q2. What are roles and responsibilities in your project

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well before going to give interview.

Skills evaluated in this interview

Java Developer Interview Questions

user image Anonymous

posted on 26 Nov 2023

Interview experience
3
 Average
Difficulty level
 Hard
Duration
 Less than 2 weeks
Result
 No response

I applied via Approached by Company and was interviewed in Oct 2023.

2 Interview Rounds

1

Resume Shortlist Round

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
2

Technical Round (5 Questions)

  • Q1. Difference between Controller and Rest Controller
  • Q2. Use of application.properties file
  • Q3. Questions on serialization
  • Q4. Questions on stream()
  • Q5. Questions on collection and collections()

Interview Preparation Tips

Interview preparation tips for other job seekers - Your understanding of each and every Java concept should be sound and you must be able to apply them

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (2 Questions)

  • Q1. What is kafka? how to implement it
  • Q2. What is Oauth and what is use of it?

Skills evaluated in this interview

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 4-6 weeks
Result
Selected  Selected

I applied via Referral and was interviewed in Mar 2024.

4 Interview Rounds

1

Aptitude Test Round

Normal apti questions test is easy

2

Coding Test Round

Opps,java basics, question on array and string as an array

3

Technical Round (1 Question)

  • Q1. Machine round collection framework pattern design array mid term SIngleton design pattern
4

HR Round (1 Question)

  • Q1. More dmbs and sql questions salary

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on array and string get basics clear little dmbs and youll clear this with flying colours
Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 -
Result
Selected  Selected

I applied via Naukri.com

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Data structures Core java Spring boot Hibernate

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice company

I applied via Naukri.com and was interviewed in Jun 2022.

3 Interview Rounds

1

One-on-one Round (2 Questions)

  • Q1. Oops, Interfaces, Exception Handling, Collections, SQL, etc
  • Q2. Coding Question - Find 2nd largest element in array with least time complexity
2

One-on-one Round (2 Questions)

  • Q1. Coding Question - print * matrix
  • Q2. HashMap, HashSet, Spring, Spring Framework, Microservices, etc
3

Behavioral Round (2 Questions)

  • Q1. Basic Details, CTC Info
  • Q2. Tech Stack, Challenges Faced in career

Interview Preparation Tips

Interview preparation tips for other job seekers - There were total 3 round, L1, L2 and Manager round.
Question were easy to moderate level.
Answered all questions perfectly, still after 3rd round, they rejected me without any reason.
After clearing Technical rounds, They will ask you that you have to work in mandatory Night Shifts.

Skills evaluated in this interview

Interview experience
3
 Average
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Campus Placement and was interviewed in Jun 2024.

2 Interview Rounds

1

Coding Test Round

It was ok. I was not able to solve all the questions.

2

Technical Round (2 Questions)

  • Q1. Remove the last element from a linkedlist
  • Q2. Some basic questions on oops dbms and os

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed in Aug 2024.

1 Interview Round

1

Coding Test Round

The interviewer asked about javascript basics and DSA questions and some typescript questions

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

I applied via Naukri.com and was interviewed in Mar 2024.

2 Interview Rounds

1

Aptitude Test Round

Simple question on maths

2

Technical Round (2 Questions)

  • Q1. Explain OOPS concept
  • Q2. Coding array questions
Interview experience
3
 Average
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 Not Selected

I applied via Recruitment Consulltant and was interviewed in May 2024.

2 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Lookup vs graphlookup in mongodb
  • Q2. Count frequency of each character in string
2

Technical Round (2 Questions)

  • Q1. Create a rest api all the way from controller to repository using NOTEPAD
  • Q2. Couldnt write custom mongodb query at repository layer in notepad which rejected my candidature.

Skills evaluated in this interview

CognitivZen Technologies Interview FAQs

How many rounds are there in CognitivZen Technologies Java Developer interview?
CognitivZen Technologies interview process usually has 2 rounds. The most common rounds in the CognitivZen Technologies interview process are Resume Shortlist and Technical.
How to prepare for CognitivZen 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 CognitivZen Technologies. The most common topics and skills that interviewers at CognitivZen Technologies expect are Java, Microservices, Spring Boot, AWS and Hibernate.
What are the top questions asked in CognitivZen Technologies Java Developer interview?

Some of the top questions asked at the CognitivZen Technologies Java Developer interview -

  1. Difference between Controller and Rest Control...read more
  2. what is Reflection ...read more
  3. Use of application.properties f...read more

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CognitivZen Technologies Java Developer Salary
based on 6 salaries
₹2.5 L/yr - ₹6 L/yr
24% less than the average Java Developer Salary in India
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CognitivZen Technologies Java Developer Reviews and Ratings

based on 1 review

5.0/5

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4.0

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4.0

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4.0

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