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Blackrock Java Engineer Interview Questions and Answers

Updated 19 Apr 2024

1 interview found

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Java Engineer Interview Questions

user image Anonymous

posted on 19 Apr 2024

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

I applied via Company Website and was interviewed in Mar 2024.

3 Interview Rounds

1

One-on-one Round (2 Questions)

  • Q1. Optimal solution for 1 DSA question with string manipulation and sorting.
  • Q2. Basic core java questions
2

Technical Round (2 Questions)

  • Q1. Technical Java, Spring boot and Microservices Questions
  • Q2. Detailed Multithreading, CompletableFuture, Locks and Synchronization, Dependency Injection, IOC Container, Design Patterns
3

One-on-one Round (1 Question)

  • Q1. Managerial questions

Interview questions from similar companies

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

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

2 Interview Rounds

1

Technical Round (1 Question)

  • Q1. Basic question related to Java and spring boot
2

Technical Round (1 Question)

  • Q1. Current Project role and responsibilites.
Interview experience
4
 Good
Difficulty level
 Easy
Duration
 -
Result
 -

I applied via Job Portal and was interviewed in Mar 2024.

1 Interview Round

1

Technical Round (5 Questions)

  • Q1. They basically asked questions related to your project.
  • Q2. Then asked design patters and related questions to it.
  • Q3. Asked SOLID principal of software development.
  • Q4. Gave some coding questions related to Java array where I had to return the index of values whos total is 10.
  • Q5. How you would connect springboot project with data base.

Skills evaluated in this interview

Java Developer Interview Questions

PwC user image Anonymous

posted on 3 Feb 2024

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

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

2 Interview Rounds

1

Technical Round (1 Question)

  • Q1. 1. Diff between static keyword and final keyword 2. Different ways of creating thread and which approach is better 3. Pgm to find min word and max word in a sen...read more
2

Technical Round (1 Question)

  • Q1. 1, What are the purposes of api gateway other then authentication 2. how circut breaker works 3. What is saga design pattern 4. What is primary and secondary ca...read more

Interview Preparation Tips

Topics to prepare for PwC Java Developer interview:
  • Microservice
  • Docker
  • Multithrading

Skills evaluated in this interview

Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (2 Questions)

  • Q1. Sort list of employee using stream concept and comparator based on employee number.
  • Q2. Thread life cycle

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare your resume properly.

Skills evaluated in this interview

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
Selected  Selected

I applied via Job Portal and was interviewed before Mar 2023.

3 Interview Rounds

1

Aptitude Test Round

Aptitude test with Java MCQ questions

2

Coding Test Round

Basic programs in Java

3

HR Round (1 Question)

  • Q1. Salary discussion

Java Developer Interview Questions

Deloitte user image Anonymous

posted on 16 Sep 2024

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

I applied via Referral and was interviewed in Aug 2024.

3 Interview Rounds

1

Technical Round (3 Questions)

  • Q1. Core Java, multithreading and foncurrency
  • Q2. Springboot , app
  • Q3. Working of hashset
2

Technical Round (2 Questions)

  • Q1. Project related questions
  • Q2. Scenario based questions
3

HR Round (1 Question)

  • Q1. Why do want to join Deloitte

Skills evaluated in this interview

Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. DSA Collection Spring boot Java 8

Java Developer Interview Questions

PwC user image Anonymous

posted on 7 Mar 2024

Interview experience
5
 Excellent
Difficulty level
 -
Duration
 -
Result
 -

1 Interview Round

1

Technical Round (1 Question)

  • Q1. Oops, Multithreading,DSA,Design Pattern
Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
 No response

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

2 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Spring security
  • Q2. Solid design principles
2

Technical Round (2 Questions)

  • Q1. How authentication and authorization works in java
  • Q2. Design patterns in java

Skills evaluated in this interview

Blackrock Interview FAQs

How many rounds are there in Blackrock Java Engineer interview?
Blackrock interview process usually has 3 rounds. The most common rounds in the Blackrock interview process are One-on-one Round and Technical.
What are the top questions asked in Blackrock Java Engineer interview?

Some of the top questions asked at the Blackrock Java Engineer interview -

  1. Optimal solution for 1 DSA question with string manipulation and sorti...read more
  2. Detailed Multithreading, CompletableFuture, Locks and Synchronization, Depende...read more
  3. Technical Java, Spring boot and Microservices Questi...read more

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