Can any data types be used in generic parameters?
Java
Have you ever worked solely within one team or on multiple projects simultaneously?
How are the equals and hashCode methods related in Java, and why is it important to implement them correctly together?
What are the differences between MongoDB, ClickHouse, Redis, and Postgres?
What database behavior of PostgreSQL is observed if no explicit action is specified when deleting a record that is linked to another table via a foreign key?
Do you have experience using the UNION operator in SQL queries?
How can data encapsulation be implemented in Java?
The database is down since morning, nothing has been changed — how to diagnose?
What is the role of the Iterable interface in collection development and traversal?
Have you used data structures like Map or similar for storing and processing data?
How is task execution control implemented at your current workplace?
How is the configuration and registration of a Bean carried out within the Spring Framework?
How is the principle of interface segregation implemented in real projects?
Is it only the team leader who is responsible for code review?
What are the differences between the strategy and command patterns in software design?
What types of tasks were you interested in performing in your last position?
Describe your ideal team and workplace.
Can you explain how the @OneToMany annotation works in ORM and table relationships?
What was the prerequisite for moving to production? What needed to be done to transition from staging to production?