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Diebold Nixdorf
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Diebold Nixdorf Senior Java Developer Interview Questions and Answers
Diebold Nixdorf Senior Java Developer Interview Experiences
1 interview found
I applied via Job Portal and was interviewed in Oct 2023. There was 1 interview round.
(5 Questions)
- Q1. Design patterns?
- Q2. Spring bean lifeCycle
- Q3. Features of kubernetes
- Ans.
Kubernetes is an open-source container orchestration platform for automating deployment, scaling, and managing containerized applications.
Automates deployment, scaling, and management of containerized applications
Provides self-healing capabilities for applications
Supports horizontal scaling for better resource utilization
Offers declarative configuration for easy management
Allows for rolling updates and rollbacks of app
- Q4. SAO vs Microservices
- Ans.
SAO is a monolithic architecture while Microservices is a distributed architecture.
SAO is a single large application with all components tightly coupled, while Microservices is a collection of small, independent services.
SAO is harder to scale and maintain, while Microservices allows for easier scalability and maintenance.
SAO can lead to longer development cycles and slower deployment, while Microservices enables faste...
- Q5. Question related to scenarios
Skills evaluated in this interview
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(2 Questions)
- Q1. How annotation works?
- Ans.
Annotations in Java provide metadata about a program that can be used by the compiler or at runtime.
Annotations start with the @ symbol.
Annotations can be used to provide information to the compiler or to runtime environments.
Annotations can be used to define custom metadata for classes, methods, fields, etc.
Annotations can also be used for code generation, documentation, and validation.
Examples of annotations in Java ...
- Q2. CondurentSkipListMap, how does it work
- Ans.
ConcurrentSkipListMap is a concurrent, sorted map implementation in Java.
ConcurrentSkipListMap is a concurrent version of SkipListMap, which is a sorted map implementation based on skip list data structure.
It allows multiple threads to access and modify the map concurrently.
It provides logarithmic time complexity for most operations, making it efficient for concurrent access.
Example: ConcurrentSkipListMap
Skills evaluated in this interview
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
1 Assignment which you need to solve in front of the interviewer
(2 Questions)
- Q1. Questions on Java Streams
- Q2. Questions on springboot
I applied via Recruitment Consulltant and was interviewed in Jan 2024. There were 2 interview rounds.
(1 Question)
- Q1. Asked basic technical questions
(1 Question)
- Q1. Mid level technical questions
Interview Preparation Tips
- Spring Boot
- Java
- Hibernate
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
Find the pair of numbers in the array whose sum is equal to target value
Senior Java Developer Interview Questions & Answers
HTC Global Services
Anonymous
posted on 27 May 2024
(1 Question)
- Q1. Junit vs Mockito Spring boot related questions AWS related questions Java Related Questions Coding on find the smallest second number
Technical round followed by HR
(2 Questions)
- Q1. Oops concepts ,c#,SQL
- Q2. Basic programming skills
(1 Question)
- Q1. About your techical and professional background
Interview Preparation Tips
(2 Questions)
- Q1. Kubernetes internals
- Q2. Spring boot internals
(1 Question)
- Q1. Questions on core java, Collections, Oops concepts
(1 Question)
- Q1. Explain singleton design pattern
- Ans.
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Ensures a class has only one instance by providing a global access point to it
Uses a private constructor to restrict instantiation of the class
Provides a static method to access the single instance
Commonly used in scenarios where only one instance of a class is needed, such as database connections or configuration
Skills evaluated in this interview
I applied via Company Website and was interviewed in Feb 2023. There were 3 interview rounds.
(2 Questions)
- Q1. What is mulesoft any point platform
- Ans.
MuleSoft Anypoint Platform is a unified, flexible integration platform that solves the most challenging connectivity problems.
Anypoint Platform enables organizations to easily build, test, and deploy APIs, integrations, and applications.
It provides a range of tools and services for designing, building, and managing APIs and integrations.
Anypoint Platform includes features such as API management, data integration, and a...
- Q2. What is cloudhub and maven
- Ans.
CloudHub is a cloud-based integration platform, while Maven is a build automation tool for Java projects.
CloudHub is used for integrating applications and services in the cloud.
It provides a platform for deploying, managing, and scaling integrations.
Maven is used for building and managing Java projects.
It automates the process of building and packaging Java applications.
Maven uses a project object model (POM) to manage
(2 Questions)
- Q1. What is any point design center
- Ans.
Any point design center is a software design tool used for creating and editing graphical user interfaces.
APDC is used for designing GUIs for desktop and mobile applications
It allows for easy drag-and-drop of UI elements
APDC supports multiple platforms and programming languages
It offers a variety of templates and themes to choose from
- Q2. What is anypoint runtime fabric
- Ans.
Anypoint Runtime Fabric is a container service that automates the deployment and scaling of Mule runtimes.
It provides a platform for deploying and managing Mule applications across on-premises, cloud, and hybrid environments.
It enables high availability, fault tolerance, and disaster recovery for Mule runtimes.
It supports Kubernetes as the underlying container orchestration platform.
It allows for centralized management...
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