Jabber, when I read ThinkingInjava, I run a programme named AllOps.java. First, I compiled it successfully, afterwards, I run it, but error "Exception in thread 'main'...". Why?

mshen1 (Cora)
(#12841@0)
2000-11-1 -05:00

回到话题: Jabber, when I read ThinkingInjava, I run a programme named AllOps.java. First, I compiled it successfully, afterwards, I run it, but error "Exception in thread 'main'...". Why?

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