Can you explain what the RetentionPolicy annotation means in Java and how it affects the lifecycle of an annotation?
Junior — Middle
244
Java
14621
265
What HTTP method is used to perform user authentication on a web service?
Junior — Middle
244
Explain the working principle and purpose of the Decorator design pattern.
Junior — Middle
243
Explain the concept of auto-configuration and its role in application setup.
Junior — Middle
241
Explain the concept of synchronization in a multithreaded environment and why it is necessary.
Junior — Middle
239
Can you list the main categories of methods used in the Stream API?
Junior — Middle
237
What are the main differences between REST API and Kafka API in terms of their application and architecture?
Junior — Middle
236
Can you list the main methods provided by the Stream API in Java?
234
What is the difference between Spring Boot and the core part of the Spring Framework?
Junior — Middle
234
How is AtomicInteger implemented in Java?
Senior
230
Can you handle multiple exception types in a single try-catch block?
Junior — Middle
230
Why is it important to maintain consistency between the equals and hashCode methods when overriding them?
Junior — Middle
229
How is the configuration and registration of a Bean carried out within the Spring Framework?
Junior — Middle
229
Can you name the types of exceptions that can occur in programming?
Junior — Middle
228
What distinguishes an optimistic approach to locking from a pessimistic one in the context of concurrency control in databases?
227
What does the term 'starvation' mean in the context of multithreading and how can it be avoided?
Junior — Middle
226
How to make it so that a user can use a previously added bean of the same type after a new bean of this type appears in the library?
Junior — Middle
225
225
How can you create a class whose objects cannot be modified after creation?
Junior — Middle
222
In which data structure is inserting an element in the middle faster: ArrayList or LinkedList?
Junior — Middle
220