Spring Core · interview question
How would you explain a potential risk of using instance variables in a singleton bean in a concurrent environment in an interview?
Multiple choiceMediumchapter-9-curatedpremiumspring-corebean-scope
Answer and explanation
Correct answer
B. Thread safety issues
Why
Instance variables in a singleton bean can lead to thread safety issues because multiple threads may access and modify these variables concurrently, leading to inconsistent state or data corruption.
Test yourself on Spring Core
A free test with instant, explained results. No account needed.
More Spring Core questions
- In a Spring Boot application, what happens if a method annotated with @Transactional calls a private method also…
- Which layer should coordinate inventory checks, payment, and order persistence for a checkout request?
- What role do Entities typically play in a Spring Boot application?
- How can you externalize configuration in a Spring Boot application?
- Which issue might arise from using field injection in Spring Boot, particularly when managing dependencies?
- In a Spring Boot application, what is the main purpose of the @ComponentScan annotation?