============問題描述============
resultset res = sqlconn
.executequery("select count(*) from" + username
+ "_message");
while (res.next()) {
userutils.flag = res.getint(1);
system.out.println("userutils = " + userutils.flag);
}
============解決方案1============
from這後面加個空格吧
============解決方案2============
select count(*) from後面少了一個空格樣。
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