Java File Extension Name Get getFileExtension(File file)

Description

get File Extension

License

LGPL

Declaration

public static final String getFileExtension(File file) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.io.File;

public class Main {
    public static final String getFileExtension(File file) {
        String fileName = file.getAbsolutePath();
        String ext = (fileName.lastIndexOf(".") == -1) ? ""
                : fileName.substring(fileName.lastIndexOf(".") + 1,
                        fileName.length());
        return ext;
    }/*from   w w  w .  j  a va  2s  . c o  m*/
}

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