Until now error messages haven't been more than mentioned, but if you have tried out the examples you have probably seen some. There are (at least) two distinguishable kinds of errors:syntax errorsandexceptions. 至今為止還沒有進(jìn)一步的談?wù)撨^錯(cuò)誤信息,不過在你已經(jīng)試驗(yàn)過的那些例子中,可能已經(jīng)遇到過...