In which situations should the synchronized keyword be used in a programming language to ensure thread safety?
Junior — Middle
306
Java
14621
265
How did you add new features to your last implemented project?
Junior — Middle
306
Who exactly contacted you from the HR department?
Junior — Middle
306
What are the differences between the JPA specification and the Hibernate implementation?
Junior — Middle
301
Can you explain what the term 'synthetic key' means in the context of databases?
Junior — Middle
300
Can you list the main built-in functional interfaces in standard libraries?
Junior — Middle
300
What are the advantages and disadvantages of using the @Component annotation compared to @Bean?
Junior — Middle
299
What type of exception would you use to handle a situation where it is impossible to establish a connection with a microservice in a booking system?
Junior — Middle
299
How to correctly implement the hashCode and equals methods in a class?
Junior — Middle
299
What self-assessment do you give to your professional skills and knowledge?
Junior — Middle
295
How does the iterator interface differ from the collection interface that supports iteration?
Junior — Middle
294
Is it always necessary to use transactions when performing database operations?
Junior — Middle
291
How can a pessimistic locking mechanism be implemented to ensure data integrity in a multithreaded environment?
289
What actions does the Maven command perform when running the package command for a project?
Junior — Middle
289
What parameters make up the quality and assessment of integration interactions?
Senior
288
For what purposes is the UNION operator used in SQL and how does it affect the query execution result?
Junior — Middle
288
What is the fundamental difference between a framework and a library in software development?
Junior — Middle
288
Will a new transaction be initiated when calling method b inside method a annotated with @Transactional?
Junior — Middle
287
What are the advantages and disadvantages of using XML for configuring configuration files?
Junior — Middle
287
Can an enumerable type implement an interface in a programming language?
Junior — Middle
286