In mysql-connecter-java-5.0 Statement is a class. in 5.1, it’s an interface.

The code you write shouldn’t care too much. But if you compile against the new version, then run against the old version, you’ll have this problem.

我項目中用的是5.1的版本，而在5.1中Connection 和Statement 為接口，而在5.0版本中為class。將jar包替換為mysql-connecter-java-5.0即可

總結

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