Java

What is the difference between lazy and eager loading?

What annotations do you know that Spring uses to create beans based on these annotations?

What is the difference between rebase and merge?

What are the rules for overriding hashCode and equals methods in Java?

What groups of tags does the JSTL library consist of?

What is the difference between HashTable and ConcurrentHashMap, and which one is more efficient?

What is autoboxing in Java?

What memory areas in JVM are you familiar with?

What types of relationships exist in Hibernate?

What is a mock in testing?

What is the difference between Filters, Interceptors, and Listeners in Spring?

How can you get a ConcurrentModificationException in a single-threaded program when working with a collection?

What do we most often use together with aggregation queries?

Is HashMap collection thread-safe?

What is the difference between the @Service, @Repository, and @Controller annotations in Spring?

What is the difference between unit tests and integration tests?

What is Phaser and what is its purpose?

What are the capabilities and applications of PriorityQueue in Java?

What does a JDBC URL represent?

What is the D letter in the SOLID principles?