Java File Extension Name Get getFileExtension(String filename)

Description

exclude "."

License

Apache License

Declaration

public static String getFileExtension(String filename) 

Method Source Code

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

import java.io.*;

public class Main {
    /**/*from  w  ww . j  a va 2 s .c o m*/
     * exclude "."
     */
    public static String getFileExtension(String filename) {
        try {
            return filename.substring(filename.lastIndexOf(".") + 1);
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * exclude "."
     */
    public static String getFileExtension(File file) {
        return getFileExtension(file.getAbsolutePath());
    }
}

Related

1. getFileExtension(final String file)
2. getFileExtension(final String fullName)
3. getFileExtension(String file)
4. getFileExtension(String filename)
5. getFileExtension(String fileName)
6. getFileExtension(String fileName)
7. getFileExtension(String fileName)
8. getFileExtension(String fileName)
9. getFileExtension(String filePath)