Check file extension in Java

Question

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          


        

Answer 1

following

extension != excel

should be

!excel.equals(extension)

or

!excel.equalsIgnoreCase(extension)

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See also

• String equals() versus ==

Answer 2

In my programm i did that

if(file_name.endsWith(".xls") || file_name.endsWith(".xlsx"))
   // something works with file