其实原因很简单，就是翻译的结果
匿名内部类和局部内部类只能引用外部的fianl变量
把变量变成fianl就行了 第一次知道啊 记小本本。。。。。。。
Eclipse连接数据库报错Local variable passwd defined in an enclosing scope must be final or effectively final
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Local variable flag defined in an enclosing scope must be final or effective
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