问题
Possible Duplicate:
Is there a goto statement in java?
Why is goto considered evil in Java, and why is is not suitable for use in high-level programming languages?
回答1:
The simplest answer is it makes code unmanageable and difficult to follow after it exceeds certain lines of code.
A better reason.. 
Image courtesy of xkcd
来源：https://stackoverflow.com/questions/13785068/why-is-goto-considered-evil-in-java-and-other-high-level-programming-languages