L1: 1.static binding vs dynamic binding 2.write singleton class 3. If we have list in singleton class how we avoid accessing it outside the class. 4. how to make singleton synchronized 5.java 8 - functional interface and stream API 6. write a program in java 8 max sal of employee 7.@variable & @modifier in JPA 8. why we use marker interface 9. how spring security works, authentication vs authorization 10. what is serialization? why we use is 11. what is transient 12. what is marker interface 13.internal implementation of hashset. L2: 1.aggregation in mongodb 2. mongodb groupby query 3. JPA integration with mongodb 4.microservice architecture 5. kafka producer consumer problem 6. project description. 7. agile methodology 8. Project build related question. 9 . Development process related questions
Java Software Engineer Interview Questions
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Collection concept Threading spring boot exposing web services
Que es POO? Que es herencia, polimorfismo, interfaces, abstract class Diferencia entre springboot y spring, preguntas sobre anotaciones y que hacen
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What is interface, abstract class
Implement a rest controller in Java Spring Boot that gets a list of items and returns a boolean response.
how do you configure spring Boot project ? will ask you bookish questions ..learn standard question on Internet and you will crack it
how a hashMap is implemented
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