Java

What parameters are used to evaluate team performance?

Junior — Middle

Simbirsoft

Does HashSet allow storing objects of different data types?

How is the ResultSet class in Java structured?

What is method overloading?

What type of work do you prefer to do within this project?

Junior — Middle

СБЕР

Can null values be used as keys in TreeMap?

Junior — Middle

ВТБ

What do you know about the RandomAccessFile class?

What does 'sleeping' a thread mean in Java?

What types of operators (statements) exist in Java?

How is dependency injection implemented in Bean when they are detected in the context of Spring or similar frameworks?

How do lambda expressions implement and interact with functional interfaces in programming languages?

Junior — Middle

СБЕР

Can you give an example of violating the Liskov principle when using standard libraries?

Junior — Middle

Aston

What are the key characteristics of interfaces in programming?

Junior — Middle

Северсталь-Ифоком

What are the advantages and disadvantages of using PreparedStatement compared to regular SQL queries?

Could you explain what a JavaBean is in the context of Java development?

What is the function of classes in the structure of the software type system?

Is it acceptable to use a more informal address, like 'you', in work communication?

Can you name the main protocols used for data exchange between web services?

What is the relationship between JavaScript and Java?

Can you explain how the JIT compiler works and why it is important for application performance?