- Throw an exception.
- End your thread, but this is a deep subject of itself which is beyond my current scope.
- For real newbies (or others) working in main() alone, just use 'return'.
Wednesday, February 11, 2009
Don't use System.exit()!
Just a quick comment/plea about the evils of System.exit() (or whatever other equivalents in other languages if they are anything like Java). Really, 'exit' is like a global variable. You think you want to kill the program, but you really don't. The moment you use it anywhere, you've set up a trap that makes your software unusable by third parties. Consider these alternatives instead: