Java

What is the difference between Java Persistence Query Language (JPQL) and Hibernate Query Language (HQL)?

Can you describe the key stages of the project build process using Maven?

Junior — Middle

СБЕР

How is the time complexity of traversing elements in a linked list of type LinkedList evaluated?

Which data structure provides faster insertion of an element in the middle: ArrayList or LinkedList?

What is the result returned by methods that are not terminal in Stream API data streams?

What internal structure is used in the TreeMap class to store elements?

How can you explain the term 'outsourcing' and its main principles?

Can you name the main immutable data types used in Java?

Junior — Middle

СБЕР

What happens if you try to insert null as a key into a HashMap in Java?

Junior — Middle

Газпромбанк

Can you explain how the Adapter design pattern works and its purpose?

How do Docker containers surpass virtual machines in resource consumption and ease of deployment?

Is it possible to create and run a million threads simultaneously within one system?

Junior — Middle

Альфа-Банк

How do you compare two objects considering their specific type when using the equals method?

Junior — Middle

Aston

How are numbers represented inside a computer in the form of binary values?

What types of data integrity exist in database management systems?

How are Atomic variables implemented and their integrity ensured during parallel operations?

Do you have experience setting up and using a local development environment?

В каких ситуациях объекты, являющиеся неэквивалентными, могут иметь одинаковое значение хеш-кода?

What reasons make data search operations in PostgreSQL faster when using write methods?

What reasons can lead to a Bean component not being instantiated in the container?

Junior — Middle

СБЕР