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Volkswagen Group Technology Solution Java Developer Interview Questions and Answers
Volkswagen Group Technology Solution Java Developer Interview Experiences
1 interview found
Saurav Das
(4 Questions)
- Q1. Why String is immutable
- Ans.
String is immutable in Java to ensure security, thread safety, and optimization.
Immutable strings are thread-safe as they cannot be modified concurrently.
String pooling allows for memory optimization by reusing existing string objects.
Immutable strings prevent malicious code from altering sensitive data.
String immutability simplifies string manipulation and caching implementations.
- Q2. Spring Security
- Q3. Authentication and authorization
- Q4. Java 8 features
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Anonymous
I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Spring IOC containers explain
- Ans.
Spring IOC containers are responsible for managing the instantiation of objects and their dependencies in a Spring application.
IOC stands for Inversion of Control, which means that the control of object creation is inverted from the application code to the Spring framework.
There are two main types of Spring IOC containers: BeanFactory and ApplicationContext.
BeanFactory is the simplest container, providing basic support...
- Q2. Metaspace in java
- Ans.
Metaspace is a part of the Java HotSpot VM memory where class metadata is stored.
Metaspace replaces the permanent generation (PermGen) in Java 8 and later versions.
It is used to store class metadata such as class names, method names, field names, annotations, etc.
Metaspace is dynamically resized by the JVM based on the application's demand.
You can monitor Metaspace usage using tools like JConsole or VisualVM.
- Q3. Difference between prdicate & consumer?
- Ans.
Predicate is a functional interface that represents a boolean-valued function, while Consumer is a functional interface that represents an operation that accepts a single input argument and returns no result.
Predicate is used for filtering elements based on a condition, while Consumer is used for performing actions on elements.
Predicate has a test() method to evaluate a condition, while Consumer has an accept() method ...
Java 8 stream based question
Skills evaluated in this interview
(2 Questions)
- Q1. Goals for the future
- Ans.
To become a senior Java developer and contribute to innovative projects in a collaborative team environment.
Continue learning new technologies and best practices in Java development
Work on challenging projects to enhance problem-solving skills
Collaborate with team members to share knowledge and improve code quality
- Q2. How do you think you can impact our company
- Ans.
I believe my strong Java skills and problem-solving abilities can positively impact the company by improving efficiency and developing innovative solutions.
I have experience in developing efficient and scalable Java applications, which can help streamline processes within the company.
I am skilled in identifying and solving complex technical issues, which can contribute to the overall success of projects.
I am proactive ...
(2 Questions)
- Q1. Try, catch, finally...
- Q2. HTTP families (400,200,500)
Selected
I applied via Approached by Company and was interviewed before Sep 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Core java questions
- Q2. Sql basics question
- Q3. Two java coding question
(2 Questions)
- Q1. Agile/scrum questions
- Q2. Experience related questions
(1 Question)
- Q1. Salary expectations
Java Developer Interview Questions & Answers
Mindfire Solutions
Anwesha Mohanty
posted on 10 Sep 2024
I applied via Campus Placement
Online coding 5 question easy to hard time given is 2hrs
I applied via Recruitment Consulltant and was interviewed in Sep 2023. There was 1 interview round.
(1 Question)
- Q1. What is hibernate and how we can use it with springboot?
- Ans.
Hibernate is an ORM framework that simplifies database operations in Java applications. It can be integrated with Spring Boot for data persistence.
Hibernate is an Object-Relational Mapping (ORM) framework that maps Java objects to database tables and vice versa.
It simplifies database operations by providing a higher-level abstraction for data persistence.
Spring Boot can be integrated with Hibernate to easily manage dat...
Interview Preparation Tips
- Core Java
- Hibernate
- Spring Boot
Skills evaluated in this interview
Selected
I applied via Recruitment Consulltant and was interviewed in Mar 2023. There were 3 interview rounds.
(1 Question)
- Q1. Easy Questions - Oops Concept . real life examples Abstract Class Inheritance difference Final vs immutable Spring Concepts - dependency injection,about @autowired
(1 Question)
- Q1. English Test - Speaking Fluent Eglish
I applied via Company Website and was interviewed in Oct 2022. There were 4 interview rounds.
Polymorphism ,table print ,reverse
Reasoning, english synonyms,math, opposite words
Oops ,collection, thread, Servlet ,JSP, databases
Interview Preparation Tips
For Java,so
Core java advance java,
Framework
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
Find min ,max and second largest (avoid duplicates)using streams
(4 Questions)
- Q1. Multiple inheritance , encapsulation, Collections-Hashmap,Set,list etc with coding questions, substrings,
- Q2. Checked and unchecked expections with example
- Ans.
Checked exceptions are checked at compile time, while unchecked exceptions are not.
Checked exceptions must be either caught or declared in the method signature using 'throws'
Unchecked exceptions do not need to be caught or declared
Example of checked exception: IOException
Example of unchecked exception: NullPointerException
- Q3. Spring boot annotations
- Q4. Java 8 features,stream api,lambda with coding
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Mar 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Problem solving array based, recursion, String, Collections, Stream API
- Q2. Java OOP, Spring, Microservices, Hibernate
(1 Question)
- Q1. Problem solving, Streams API, HashMap internal working, Microservices
(1 Question)
- Q1. Salary expectation
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