What is `StampedLock` in Java and how does it differ from `ReadWriteLock`?

Java Professional Medium

Java Professional — Medium

What is `StampedLock` in Java and how does it differ from `ReadWriteLock`?

Key points

  • StampedLock has an optimistic read mode for low contention
  • ReadWriteLock does not have an optimistic read mode
  • StampedLock improves throughput by avoiding lock acquisition in certain scenarios

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