This article explains Spring's @Transactional default rollback behavior, why checked exceptions like IOException don't trigger a rollback, illustrates the resulting data inconsistency with a money‑transfer example, and shows how to fix the issue by explicitly configuring the rollbackFor attribute.
The article explains the difference between Java's Error and Exception classes, clarifies which are recoverable, distinguishes checked and unchecked exceptions, and provides code examples showing how to declare, catch, and handle these exceptions in practice.
This article explains Java exceptions, classifies them into Errors and Exceptions (including RuntimeException and CheckedException), describes how to handle them with try‑catch, throw, and throws, clarifies the difference between throw and throws, and offers practical best‑practice guidelines.
This article explains Java's exception hierarchy, distinguishes checked from unchecked exceptions, illustrates common pitfalls of overusing throws, and provides best‑practice guidelines for handling, documenting, and wrapping checked exceptions to improve API design and application robustness.
