I just learned JAVA: I don't know what caused this error: rs cannot be resolved?

robberjay · Post time: 2020-2-14 16:30:01

Hope you guys give pointers "Thank you! !!

深深的怀念 · Post time: 2020-9-1 22:45:01

Your rs is not defined,
ResultSet rs=.......

深深的怀念 · Post time: 2020-9-1 23:00:01

Look at the capitalization error...
I have encountered this problem before...

bsrdr110 · Post time: 2020-9-1 23:15:01

Posting the code is more intuitive, and there are several possibilities for problems.

dltc311 · Post time: 2020-9-1 23:30:01

Look at the code first

cxz5252936 · Post time: 2020-9-1 23:45:01

rs cannot be resolved is rs not defined

wanwlj2008 · Post time: 2020-9-2 00:00:01

Just look at the code, it may be that rs is not defined.

nemesis2127 · Post time: 2020-9-2 00:15:01

The description is not intuitive, you post the relevant code for everyone to see

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