In which data structure is inserting an element in the middle faster: ArrayList or LinkedList?
Junior — Middle
221
Java
14621
265
All standard collections in programming language originate from which class?
Junior — Middle
221
What are the advantages and disadvantages of using ArrayList for storing elements?
Junior — Middle
221
Why is the @Transactional annotation not applicable to private methods in Java?
Junior — Middle
221
What is the role and main purposes of design patterns in software development?
Junior — Middle
220
219
What are the differences between HashMap and Set data structures in the context of their usage?
Junior — Middle
218
Why is it preferable to use the HTTP POST method instead of GET when working with sensitive information?
Junior — Middle
218
Can you list different types of exceptions you have encountered in practice?
218
How to hide a bin so that library clients do not see it?
Senior
217
Can you describe the main types of operations available in Java's Stream API?
216
Explain what Maven is and what it is used for in Java project management.
216
How can data be processed in parallel using Stream in Java?
Junior — Middle
216
Can you explain the concept of propagation level in Spring Data and its role in transaction management?
215
Explain what happens when passing a variable by reference in a function or method.
Junior — Middle
215
What are the reasons to avoid implementing the authorization process when using the PUT method in the HTTP protocol?
Junior — Middle
215
How do multiple threads read the latest updated information of a variable marked with the volatile keyword?
Junior — Middle
215
Does the finally block always have to execute at the end of a try block?
214
What happens if exceptions occur in the catch and finally blocks during the execution of the try statement?
Junior — Middle
214
Can you explain the purpose and main functions of Spring Boot Actuator?
214