internal db data structures
Sr Java Developer Interview Questions
5,585 sr java developer interview questions shared by candidates
Memory management in java Hash map Immutable class Abstract class vs Interface Spring MVC Hibernate questions
Explain Java Oops concepts in detail
What are packages in Java
Features of Java 8 & 11.
What is default port of Oracle Database Angular inbuild directives. Java 8 features. Final method can be overloaded?
1) Explain about microservices architecture 2.Give brief explanation about API Gateway configuration 3. What is the role of service registry and which registry have you used in your application 4. How you handle authentication and Authorization in your microservices 5. How to communicate each microservices one to another 6. How you create one microservices from scratch 7. What is meant by stereotype annotation and explain it 8. Transactional annotation which purpose you used in your application 9. Explain about concurrent Hashmap and explain about internal working structure 10. Lifecycle of maven 11. Do you have any idea about Docker and Kubernetes.. Coding: Some Java streams snippet questions is related to strings and number logic
What are the oops concepts you have used? What is abstraction? Difference between abstraction and interface. Explain with real life example. Can we change the dispatcher servlet's XML making file name? How to debug a JavaScript? Spring MVC flow. What is a controller? Where and how is the request mapped? What is serializable, what care needs to be taken if you serialize a class? What care needs to be taken to convert an object to be serializable? Saving part as well, what streams need to be used?
Basic java questions and oops concepts
Java- collections, multithreading, oops concepts microservices, spring boot basics
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