Java

What is the role of the @Embeddable annotation in ORM tools?

What characteristics should a class have to be used correctly as an entity in Hibernate?

What methods can reduce the number of conditional operators in code and improve its readability?

How do you implement transaction management using the @Transactional annotation?

How are access control mechanisms implemented to prevent thread or process conflicts when sharing resources?

Is the @PreDestroy annotation applicable to beans with prototype scope in Spring?

What is the role of the @SpringBootTest annotation and when is it used in testing Spring Boot applications?

What are the advantages and disadvantages of using the findBy method in JPA for data retrieval?

What is the purpose of the @ExtendWith annotation in Java tests and what does it indicate?

How can properties from application.properties be injected into a bean in Spring?

Explain what the Multiple Bug Exception means and in what situations it is used.

What is the purpose of annotations @Component, @Repository, and @Service in Spring, and how do they differ?

Can you tell about the scope of beans and their purpose?

Is it possible to register custom bean scopes in the context of dependency injection?

How to identify the most effective places for creating indexes in a database?

What types of links are used in Java?

How is the hash value calculated for a key in a Map data structure?

What stages does a test case go through in unit testing?

Can you explain the purpose and main features of the java.util.concurrent package in Java?

What types of locks are most efficient in terms of performance?