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Finvu Java Developer Interview Questions and Answers
Finvu Java Developer Interview Experiences
1 interview found
Anonymous
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. Buy - Sell - I
(1 Question)
- Q1. Find 2nd largest element in binary tree
- Ans.
To find the 2nd largest element in a binary tree, we can perform an in-order traversal and keep track of the second largest element.
Perform in-order traversal of the binary tree
Keep track of the largest and second largest elements while traversing
Return the second largest element once traversal is complete
Skills evaluated in this interview
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I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
(8 Questions)
- Q1. How much exp in docker?
- Ans.
I have 2 years of experience working with Docker in various projects.
2 years of experience working with Docker in various projects
Proficient in creating Docker containers, managing images, and orchestrating containers using Docker Compose
Familiar with Docker Swarm and Kubernetes for container orchestration
Experience in troubleshooting Docker-related issues and optimizing container performance
- Q2. Do you have exp in Kubernetes?
- Ans.
Yes, I have experience in Kubernetes.
I have worked on deploying and managing applications on Kubernetes clusters.
I am familiar with creating and managing Kubernetes resources such as pods, deployments, services, and ingresses.
I have experience in using tools like kubectl and Helm for interacting with Kubernetes clusters.
I have implemented CI/CD pipelines using Kubernetes for automated deployment and scaling of applicat
- Q3. What is OOP?
- Ans.
OOP stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
OOP focuses on creating objects that contain data and methods to manipulate that data.
Encapsulation, inheritance, and polymorphism are key principles of OOP.
Examples of OOP languages include Java, C++, and Python.
- Q4. Types of polymorphism
- Ans.
Polymorphism in Java refers to the ability of a method to do different things based on the object it is acting upon.
Types of polymorphism in Java include method overloading and method overriding.
Method overloading is when multiple methods have the same name but different parameters.
Method overriding is when a subclass provides a specific implementation of a method that is already defined in its superclass.
- Q5. Thread in java
- Ans.
Threads in Java allow multiple tasks to run concurrently within a single program.
Threads are lightweight sub-processes that share the same memory space.
They are used to improve performance by allowing tasks to run simultaneously.
Examples include creating a new thread using the Thread class or implementing the Runnable interface.
- Q6. Knowledge in which spring modules
- Q7. What is spring profile
- Ans.
Spring profile is a way to segregate parts of your application configuration and make it only available in certain environments.
Spring profiles allow you to define different configurations for different environments such as development, testing, and production.
You can use @Profile annotation to specify which beans should be loaded based on the active profile.
Profiles can be activated in various ways such as through app...
- Q8. What is @PreAuthorize and @PostAuthorize
- Ans.
Annotations used in Spring Security to apply authorization rules before and after a method is called.
Used in Spring Security to define authorization rules
@PreAuthorize is used to apply authorization rules before a method is called
@PostAuthorize is used to apply authorization rules after a method is called
Both annotations support SpEL expressions for defining rules
Interview Preparation Tips
- Basics in java
- Spring security
- Spring Boot
- Docker
- Cloud Computing
Selected
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
(8 Questions)
- Q1. What improvements to interfaces were introduced in Java 8 that were missing in Java 7, specifically regarding static and default methods?
- Q2. Explain internal working of HashMap ? How to synchronize it ?
- Q3. Given a list of employees with their ratings, how can you sort the employees based on their ratings using the Java 8 Streaming API?
- Q4. Will the program compile if the parent class throws a runtime exception while the child class throws an arithmetic exception?
- Q5. In a Spring Boot application with two databases, how can you configure JDBC to specify which database to use?
- Q6. How to use a jetty server in your spring boot application ?
- Q7. Difference between @RequestParam and @PathVariable ?
- Q8. How would you handle a scenario where one microservice is awaiting a response from another microservice that is taking an extended time to respond?
Interview Preparation Tips
I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.
(7 Questions)
- Q1. Create one Spring boot controller from end to end. No need to create a spring boot project we just want to see the structure and end to end implementation.
- Q2. Write a java 8 program to get the characters from a string whose count is 2 or more than 2 e.g. input: baseball , output: b, a, l.
- Q3. Why you left your previous organization.
- Q4. What is the functional interface
- Q5. What are the OOPS concepts. and some questions related to inheritance.
- Q6. Asked about the project mentioned in CV (Client project) and asked its architecture.
- Q7. Various SQL join types
(3 Questions)
- Q1. Are you ready to relocate to job location
- Q2. Why are you leaving your previous organization.
- Q3. Expectation about salary
Interview Preparation Tips
I applied via Referral and was interviewed in Nov 2024. There were 2 interview rounds.
(11 Questions)
- Q1. Internal working of HashMap
- Q2. Features of java8
- Q3. Use of synchronized keyword
- Q4. Difference between failsafe and fail fast and also its implementation
- Q5. Coding question : sort an array, use of streams to find names from employee object whose salary is greater than 50000
- Q6. Difference between concurrent and generic collection
- Q7. What is string pool. What is string literal?
- Q8. Security measures used in your project
- Q9. What is difference between rest and soap
- Q10. What do u mean by REST state
- Q11. What is serialization? What is the way to stop serialization?
(4 Questions)
- Q1. Difference between failsafe and faifast
- Q2. Difference between concurrent and generic collection
- Q3. Security measures used in current project
- Q4. Why you are leaving your current organization and follow up questions on that
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
(6 Questions)
- Q1. Java 8 , java 11 and java 17 features?
- Ans.
Java 8 introduced lambda expressions, Java 11 added local-variable syntax for lambda parameters, and Java 17 included sealed classes and pattern matching.
Java 8 introduced lambda expressions for functional programming.
Java 11 added local-variable syntax for lambda parameters to simplify code.
Java 17 included sealed classes to restrict inheritance and pattern matching for instanceof checks and type casts.
- Q2. Dispatcher servlet, design patterns
- Q3. @SpringbootApplication annotation, actuators
- Q4. String Coding question with java 8 features such as lambda function and stream api
- Q5. Number of words in a string
- Ans.
Count the number of words in a given string.
Split the string by spaces and count the number of resulting elements.
Handle edge cases like multiple spaces or empty strings.
Consider punctuation marks as part of words unless specified otherwise.
- Q6. Microservice design patterns
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(3 Questions)
- Q1. Difference between hashmap and hash table
- Ans.
HashMap is non-synchronized and allows null values, while HashTable is synchronized and does not allow null values.
HashMap is non-synchronized, meaning it is not thread-safe, while HashTable is synchronized and thread-safe.
HashMap allows null values for both keys and values, while HashTable does not allow null keys or values.
HashMap is generally preferred for non-thread-safe applications, while HashTable is used in mul
- Q2. Static block related questions
- Q3. Arraylist and linkedlist question
Skills evaluated in this interview
I applied via Job Fair and was interviewed in Oct 2024. There were 4 interview rounds.
Onlin test consist pf easy numerical questions
Easy questions not so difficult
(3 Questions)
- Q1. Java oops concept
- Q2. Basic sprophramming questions
- Q3. Networking firewall cisco
(2 Questions)
- Q1. Personal questions
- Q2. Whetehr to willing to work in any locations
- Ans.
Yes, I am willing to work in any location for the right opportunity.
I am open to relocating for the right job opportunity
I am flexible and adaptable to new environments
I believe working in different locations can provide valuable experiences and growth opportunities
Interview Preparation Tips
- Networking
I was interviewed in Oct 2024.
(5 Questions)
- Q1. Spring boot architechture
- Q2. Streams coding questions
- Q3. Second highest salary sql
- Ans.
To find the second highest salary in SQL, use the 'SELECT MAX(salary) FROM employees WHERE salary < (SELECT MAX(salary) FROM employees);'
Use the MAX() function to find the highest salary in the table
Use a subquery to find the maximum salary that is less than the highest salary
Combine both queries to get the second highest salary
- Q4. Solid priciples
- Q5. Acid properties
- Ans.
ACID properties are a set of properties that guarantee database transactions are processed reliably.
ACID stands for Atomicity, Consistency, Isolation, Durability
Atomicity ensures that all operations in a transaction are completed successfully or none at all
Consistency ensures that the database remains in a consistent state before and after the transaction
Isolation ensures that transactions are executed independently of...
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
First round is quit easy
2 coding question based on dsa
(2 Questions)
- Q1. Explain different phases of sdlc
- Ans.
SDLC stands for Software Development Life Cycle, which consists of different phases from planning to maintenance.
1. Planning phase involves defining project scope, requirements, and creating a project plan.
2. Analysis phase focuses on gathering and analyzing requirements to create a detailed system design.
3. Design phase involves creating a high-level design, detailed design, and architecture for the software.
4. Implem...
- Q2. 4 paillers of datastructure.
- Ans.
The 4 pillars of data structure are arrays, linked lists, stacks, and queues.
Arrays: Data structure that stores a collection of elements with a fixed size.
Linked Lists: Data structure where each element points to the next element in the sequence.
Stacks: Data structure that follows the Last In First Out (LIFO) principle.
Queues: Data structure that follows the First In First Out (FIFO) principle.
Skills evaluated in this interview
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