In Java, you can pre-allocate static final Exception objects with a pre-filled stack. These exceptions have much better performance characteristics [1] and are

In Java, you can pre-allocate static final Exception objects with a pre-filled stack. These exceptions have much better performance characteristics [1] and are used by Netty [2] for control flow purposes. Sometimes these are helpful and the performance is good, but only when you don't need a full stacktrace or to customize the error message. [1] http://normanmaurer.me/blog/2013/11/09/The-hidden-performance-costs-of-instantiating-Throwables/ http://normanmaurer.me/blog/2013/11/09/The-hidden-performanc... [2] https://github.com/netty/netty https://github.com/netty/netty