是多媒体文件

/** 
 来自 时   代     Java  公  众  号 - nowjava.com**/


//package com.nowjava;


public class Main {

    public static boolean isMultimediaFile(String filename) {

        if (!(filename.length() > 3)) {

            return false;

        }


        int i = filename.length();

        String ending = filename.substring(i - 3, i);

        if (ending.equalsIgnoreCase(".--")) {

            return true;

        }


        ending = filename.substring(i - 4, i);
        /** from 
        N o w  J a v a  .   c o m**/

        if (ending.equalsIgnoreCase(".avi")) {

            return true;

        }


        if (ending.equalsIgnoreCase(".mpg")) {

            return true;

        }


        int index = i - 5;

        if (index >= 0) {

            ending = filename.substring(index, i);