Check file extension in Java

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深忆病人
深忆病人 2021-01-01 10:39

I have to import data from an Excel file to database and to do this, I would like to check the extension of the chosen file.

This is my code:

String          


        
8条回答
  •  生来不讨喜
    2021-01-01 11:07

    following

    extension != excel
    

    should be

    !excel.equals(extension)
    

    or

    !excel.equalsIgnoreCase(extension)
    

    See also

    • String equals() versus ==

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