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

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.
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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#javadeveloper

[ragamalikachitluri]

Thank you. It helped me while preparing for interview

[chinmayabehera]

She is very good in answering questions ..and did good homework ..
But i liked interviewer more than interviewee as he is not asking same typical questions ..which she has already prepared ..thats why she is lacking some times. 👍

[susmith]

Coomand Line runner for running starting bean before loading a bean

[shankars]

@18:44 default methods are not introduced in functional interface. We can have default methods in non functional interface too.
@22:20 It's always good to use application.properties. Because yaml files is difficult to read and maintain.

[pradeeshp]

We can use bootstrap configuration file to configure parameters and it will load before bean initialisation. Correct me if I'm wrong.

[surya]

Thank you maansi... You are doing great work and ur helping so many job seekers .. Have you selected to this company?

[pratapjavasingh]

When I watched ur video L & T intervew and in rest they are are asking to u which api basically u are used Jax rs or Jax ws then u can say Spring rest we are using not jakson here jakson basically use for conversion purpose we are using ws api for soap based and rs called rest service but this is old approach . When you are add the Web starter jar in ur pom file then they are directly download the jar related to rest full services not api required and here u are using Restcontroller

[practicethecode]

this canditate was really good with 5 yrs of experience. hopefully she was selected.

[kumarmanish]

20:00 what does he even mean by a method INSIDE a method? How do you write a nested method! I dont get what he is asking!

[aaronbcj]

What is shredding? I think he referring to Sharding... since it was Db topic

[geekwp]

Smooth Interview. What was the package btw?

[shankars]

can we have methods inside default methods? How? !

[pramodpalla]

I read one of ur reply you told u got a couple of offers. If u don't mind may i know what they offered(pacakge) for 5 yrs?

[pradeeshp]

At last interviewer also use actually basically at the end LOL...

[susmith]

Pity that interviewer could not pronounce sharding horizental and veritcal sharding

[ajayshinde]

Hello sir, Can i give a interview on java

[swapnilsonawane]

its not shrading ..it's sharding...sharding & replication

[maheshtambe]

Someone can write down all the question.