1. removed the last "}", put it before "class PipeSender". or
2. add "static " before "class PipeSender" and "class PipeReceiver".You have to put ".. new File(...);" inside a try{ }catch(..){} bolck.
2. add "static " before "class PipeSender" and "class PipeReceiver".You have to put ".. new File(...);" inside a try{ }catch(..){} bolck.
解决方案 »
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