JAVA telephonic interview for DELL Java 8 Microservices interview questions and answers

Java Techies
Java Techies
24.4 هزار بار بازدید - 3 سال پیش - This video contains java interview
This video contains java interview questions, Microservices interview questions and answers, spring springboot interview questions.
Questions asked:
MongoDB
How are you writing queries in MongoDB?
How to create and drop collections in MongoDB?
Method name to create collections in MongoDB?
What is shredding?

Microservices
How are you communicating between microservices?
APIs required to call a third party api from your service.
Do you know about Feign Client? Explain

Docker
What are the steps in deployment in your application?
Docker command to go inside the container?

Spring
How do you do some configuration before the spring bean container starts?
Why do we use PostConstruct in spring?

springBoot
How to change tomcat default port ?
Any Load balancer you have used?
How to get property from Yml file?
Dependency Injection. Explain types. Which one is better?
Connection api used for connecting to DB?
Any idea about hibernate ?
In JPA how to create a connection to oracle or mySQL?
Any SQL db used?
How do you handle Exceptions in your application?
How autoconfiguration helps in spring boot?
Explain @SpringBootApplication.
Which type of property file is better(Yml or application.properties)?
Any knowledge on springCloudConfigServer? Explain

Design Patterns
Which design pattern you know?

Java
What is default method in java8?
Can I write another method inside a default method?
Types of class Loaders

Data structure
Any sorting technique you know?

Cloud
Which cloud technology are you comfortable with?

Coding
Create an api to get information corresponding to an ID, if present give result otherwise throw exception.

Junit
What are you using for mocking the rest template? Annotations used?
How do you Mock DB?

DevOps
What do you use for CI/CD? (Jenkin/GIT)  explain?


This is a realtime video interview experience with DELL technologies. It contains questions related to coding, java8 , microservices kafka MongoDB, configuration, annotations, tomcat etc.

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