VRIZE Interview Questions, Process, and Tips

It was general aptitude test with quants

Q1. About Object Oriented programming
Add your answer
Q2. Java collections, fundamentals of programming
Add your answer

General aptitude round with quantitative, logic, reasoning questions

Q1. Explain about OOPs concepts
Ans. 
OOPs concepts refer to Object-Oriented Programming principles like inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation detail
Answered by AI
Add your answer
Q2. Explain various data types
Ans. 
Data types in programming define the type of data that can be stored and manipulated.
• Primitive data types: int, float, char, boolean

• Composite data types: array, struct, class

• Derived data types: pointer, function, reference

• Enumerated data types: enum
Answered by AI
Add your answer

Q1. General behavioural and fit check questions
Add your answer

Q1. Difference between fail-fast and fail-safe iterators
Ans. 
Fail-fast iterators throw ConcurrentModificationException if the collection is modified while iterating. Fail-safe iterators do not throw exceptions.
• Fail-fast iterators fail immediately if the collection is modified during iteration.

• Fail-safe iterators do not throw exceptions if the collection is modified during iteration.

• Fail-fast iterators are used in Java collections like ArrayList, HashMap.

• Fail-safe iterators are u...read more
Answered by AI
Add your answer
Q2. What is Zookeeper in Kafka
Ans. 
Zookeeper in Kafka is a distributed coordination service used for managing and maintaining configuration information, naming, providing distributed synchronization, and group services.
• Zookeeper is used by Kafka to manage broker metadata, topic configurations, and consumer group coordination.

• It helps in leader election, maintaining cluster membership, and detecting failures.

• Zookeeper ensures consistency and reliability ...read more
Answered by AI
Add your answer
Q3. How do you change a monolith to microservices architecture
Ans. 
Breaking down a monolith into microservices involves identifying bounded contexts, decoupling components, and implementing communication mechanisms.
• Identify bounded contexts within the monolith to define the boundaries of microservices.

• Decouple components by extracting them into separate services with well-defined interfaces.

• Implement communication mechanisms such as RESTful APIs or message queues to enable interaction...read more
Answered by AI
Add your answer
Q4. 1 Java coding question using streams
Add your answer
Q5. Multiple questions on Spring
Add your answer

Q1. Questions were based on work experience, like project responsibilities, how did you troubleshoot, how did you learn and apply in your work and in my case personal project also
Add your answer

Q1. Typical HR round, questions were based on behavioural and psychological
Add your answer