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Hewlett Packard Enterprise Java Developer Interview Questions, Process, and Tips
Hewlett Packard Enterprise Java Developer Interview Experiences
1 interview found
Malashree Mugali
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(7 Questions)
- Q1. What are primitive and non primitive data types
- Ans.
Primitive data types are basic data types provided by the programming language, while non-primitive data types are created by the programmer.
Primitive data types include int, float, double, char, boolean, etc.
Non-primitive data types include arrays, classes, interfaces, etc.
Primitive data types store actual values, while non-primitive data types store references to objects.
- Q2. What are access modifiers and non access modifiers
- Ans.
Access modifiers control the visibility of classes, methods, and variables. Non-access modifiers provide additional functionality.
Access modifiers: public, private, protected, default
Non-access modifiers: static, final, abstract, synchronized
Example: public class MyClass { private int myVar; }
- Q3. What are all Java 8 features and explain the one which we have used in our project
- Ans.
Java 8 features include lambda expressions, functional interfaces, streams, and more.
Lambda expressions allow concise syntax for defining anonymous functions.
Functional interfaces can have only one abstract method and are used for lambda expressions.
Streams provide a way to process collections of objects in a functional style.
Optional class helps to avoid NullPointerException by wrapping a value that may be null.
- Q4. CICD tools which we have used explain in high level
- Ans.
CICD tools automate the process of building, testing, and deploying code changes.
Popular CICD tools include Jenkins, GitLab CI/CD, CircleCI, and Travis CI
These tools help in automating the software development lifecycle
They enable continuous integration, continuous delivery, and continuous deployment
CICD tools help in improving code quality, reducing manual errors, and increasing development speed
- Q5. What is containerization
- Ans.
Containerization is a lightweight, portable, and self-sufficient way to package and run applications.
Containerization involves encapsulating an application and its dependencies into a container image.
Containers are isolated from each other and share the host OS kernel.
Popular containerization platforms include Docker and Kubernetes.
Containerization allows for easy deployment and scaling of applications.
- Q6. What is indexing in sql
- Ans.
Indexing in SQL is a technique used to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
Indexes are created on columns in a database table to speed up the retrieval of rows that match a certain condition in a query.
They work similar to the index in a book, allowing the database to quickly locate the rows that satisfy the query.
Indexes can be created using a single...
- Q7. Programming question on stream like finding the longest string in a given list of string
Skills evaluated in this interview
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Interview questions from similar companies
(2 Questions)
- Q1. Chvvvv vvbbbbb isush shjshs jdudjdj
- Q2. Vvvhjjjc hhhjVv hsudjsj hsudjsh hdhdh
Interview Preparation Tips
(2 Questions)
- Q1. No one showed up to interview
- Q2. Even they don’t responded to my mails
Interview Preparation Tips
Praveen Pk
Selected
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
They asked question about myself
Gave codeing in advance java concepts
I applied via Job Portal and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. What is Springboot
- Ans.
Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and tools.
Spring Boot eliminates the need for manual configuration by providing defaults for most settings.
It allows developers to quickly set up and run standalone Spring-based applications.
Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow for easy deployment.
It promotes convention o...
- Q2. Questions on kafka
Good coding questions related array and string
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
(5 Questions)
- Q1. Basic core java, multi threading, spring, collection
- Q2. Spring features
- Q3. Spring vs spring boot
- Ans.
Spring is a framework for building Java applications, while Spring Boot is a tool that simplifies the setup and configuration of Spring applications.
Spring provides a comprehensive framework for building Java applications, including features like dependency injection, AOP, and MVC.
Spring Boot is built on top of Spring and provides auto-configuration, which reduces the boilerplate code required to set up a Spring applic...
- Q4. Multi threading
- Q5. Map vs flat map
- Ans.
Map applies a function to each element of a stream and returns a new stream of the results. FlatMap applies a function to each element and flattens the results into a single stream.
Map transforms each element of a stream independently.
FlatMap transforms each element of a stream and flattens the results into a single stream.
Map is useful when you want to transform each element of a stream into another type.
FlatMap is us...
Skills evaluated in this interview
(1 Question)
- Q1. How does api gateway work
- Ans.
API gateway acts as a single entry point for all client requests, routing them to the appropriate microservices.
API gateway handles authentication and authorization for client requests.
It can perform load balancing and routing of requests to different microservices.
API gateway can also handle caching, logging, and monitoring of requests.
Examples of API gateways include Kong, Apigee, and AWS API Gateway.
Interview Preparation Tips
Skills evaluated in this interview
Chirag Kumar
Selected
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
Java spring boot microservices
(1 Question)
- Q1. Java spring boot microservices
Interview Preparation Tips
HR Name:Rehana praveen ,Meher and sowmya
I applied via LinkedIn and was interviewed in Sep 2022. There were 3 interview rounds.
(2 Questions)
- Q1. What is your expectations from mindtree ?
- Q2. As I am fresher I want a good environment to implement my theoretical knowledge to practical.your company also working on Java and I have done multiple projects on Java.
(2 Questions)
- Q1. What does you know about oops
- Ans.
OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
OOPS is based on four main concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.
Encapsulation is the process of hiding the implementation details of an object from the outside world.
Inheritance allows a class to inherit properties and methods from another class.
Polymorphism allows objects of d...
- Q2. So give answer according to you
Interview Preparation Tips
- OOPS
- MySQL
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