Can you name and describe with an example the most common thread-safe collections in Java?
Junior — Middle
212
Java
14621
265
Can you explain the concept of propagation level in Spring Data and its role in transaction management?
208
Does the finally block always have to execute at the end of a try block?
208
What methods can be used to implement or create an ExecutorService interface in Java?
Junior — Middle
207
What team composition have you worked with in your last role?
Junior — Middle
207
How can the performance of SQL queries in a database be improved?
Junior — Middle
206
Do you have practical experience working with the Kafka messaging system?
206
Can you explain the purpose and operation of the ThreadLocal class in Java?
205
Can you explain the concept and role of ApplicationContext in the Spring framework?
205
What data is the TreeSet collection in Java implemented from?
Junior — Middle
201
What is the main purpose of the notify() method in the Object database in Java?
Junior — Middle
201
Could you explain what the transaction isolation level Read Committed means?
Junior — Middle
199
What is the purpose of annotations @Component, @Repository, and @Service in Spring, and how do they differ?
199
Can you describe the main types of operations available in Java's Stream API?
Junior — Middle
196
Explain what is meant by using parallel streams in Java and what are its advantages.
Junior — Middle
195
Explain the concept of parameterized types and their use in programming.
Junior — Middle
195
What is the inheritance hierarchy structure of exceptions in Java?
Junior — Middle
193
What is the purpose of the notifyAll() method in the Object class and in what situations should it be used?
Junior — Middle
193
Explain what the concept of a bean in Java is and how it is used within applications.
190
What annotations are used to define and configure beans in the Spring Framework?
189