#Java

What is @Transactional in Spring Boot, and what is its purpose?

What are Records in Java? How do they differ from standard classes, and what boilerplate do they eliminate?

Explain the concept of Sealed Classes in Java, how they restrict inheritance, and why they are useful in domain modeling.

Explain the use of the `var` keyword for local variable type inference in Java and discuss its limitations and best practices.

How does the introduction of Virtual Threads impact connection pooling and resource management strategies in Java backend services?