Spring Transaction Management — Spring Technical Interview Questions & Answers
Programmatic vs declarative transactions.
Spring Transaction Management
- Transaction Management (spring) is a Spring topic. In plain words you use it for a short Transaction Management spring example in a small REST app. Don’t start with a slogan — start with that picture.
- Smallest example: the smallest Transaction Management spring example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Transaction Management (spring).
- From the example next to this theory: Programmatic vs declarative transactions.
- Trap: only saying “Transaction Management spring” with no example. Fix that before you talk about advanced Spring.
- Viva: what is Transaction Management (spring)? Then show the smallest Transaction Management spring example you can type. Then name the trap.
Technical Interview Tip: What is Transaction Management (spring)? Show this: the smallest Transaction Management spring example you can type. Trap: only saying “Transaction Management spring” with no example.
Code Examples for Spring Transaction Management
Spring Transaction Management — working example
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
@Service
class TransferService {
private final AccountRepository accounts;
TransferService(AccountRepository accounts) {
this.accounts = accounts;
}
@Transactional
public void transfer(long fromId, long toId, long amount) {
Account from = accounts.findById(fromId).orElseThrow();
Account to = accounts.findById(toId).orElseThrow();
from.debit(amount);
to.credit(amount);
}
}Spring Transaction Management — @Transactional wraps a method in a DB transaction — rollback on runtime failures by default.
How to Explain Spring Transaction Management to an Interviewer
What is Transaction Management (spring)?
Used for a short Transaction Management spring example a small REST app Not just the heading
Give one small example of Transaction Management (spring).
the smallest Transaction Management spring example you can type Programmatic vs declarative transactions
What mistake do beginners make with Transaction Management (spring)?
only saying “Transaction Management spring” with no example Show the fix
Where do you use Transaction Management (spring)?
a small REST app a short Transaction Management spring example