Java File Extension Name Get getFileExtension(File file)

Description

get File Extension

License

Open Source License

Declaration

private static String getFileExtension(File file) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.File;

public class Main {
    private static String getFileExtension(File file) {
        String fileName = file.getName();
        if (fileName.lastIndexOf(".") != -1
                && fileName.lastIndexOf(".") != 0)
            return fileName.substring(fileName.lastIndexOf(".") + 1);
        else/* w ww.  jav  a  2  s.  co  m*/
            return "";
    }
}

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