What are the effects of exceptions on performance in Java?

Question

Question: Is exception handling in Java actually slow?

Conventional wisdom, as well as a lot of Google results, says that exceptional logic shouldn\'t be used for n

Answer 1

HotSpot is quite capable of removing exception code for system generated exceptions, so long as it is all inlined. However, explicitly created exception and those otherwise not removed spend a lot of time creating the stack trace. Override fillInStackTrace to see how this can affect performance.