How can you use JPA to handle optimistic concurrency control? Can you explain how the EntityManager.lock() method works?

How can you use JPA to handle optimistic concurrency control? Can you explain how the EntityManager.lock() method works?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, jpa, topic-specific, java

参考答案摘要

JPA provides a mechanism for optimistic concurrency control to handle situations where multiple transactions are trying to modify the same entity concurrently. In optimistic concurrency control, each ...

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