(转) java中try/catch性能和原理
stackoverflow上有一个讨论,参与的人还挺多:
https://stackoverflow.com/questions/141560/should-try-catch-Go-inside-or-outside-a-loop
原理:http://www.javaworld.com/article/2076868/learn-java/how-the-java-virtual-machine-handles-exceptions.html