Java

Have you had experience using profiling tools on production systems?

How are comments denoted in HTML?

What methods can ensure transaction isolation in database management systems?

Can a primitive data type be stored in the Heap memory area?

Can you name built-in classes in programming languages?

Could you describe how the code review process was carried out in your last project?

Junior — Middle

Самокат

How to eliminate cyclic references between classes caused by mutual dependency injection?

What books on programming do you plan to study or recommend for improving your knowledge?

Junior — Middle

СБЕР

What are DDL, DML, and DCL?

How is entity identification performed in EntityManager when working with a database?

What methods can be used to initiate the execution of a thread in a program?

Junior — Middle

Альфа-Банк

Can you catch multiple error types in a single exception handling block?

What methods can be used to invoke a callback function in a Java Bean?

What is the purpose of using the Fail-Fast concept when changing data collections?

What user exception needs to be created and thrown inside a method after the throws keyword to guarantee mandatory handling by the calling code?

How are parallel computations and thread management implemented in software systems?

Junior — Middle

IT One

How is the organization of indexes for efficient data search implemented?

What parameters and default values does the Spring container use when initializing a bean?

What will happen to the result if multiple threads simultaneously try to increment a variable declared as volatile?

What is the role and application of records in the Java language?