Write code to get Extension from File path String
//package com.book2s; public class Main { public static void main(String[] argv) { String path = "c://a//asdf/asdf/as/df/asd/f/asd/f/book2s.com"; System.out.println(getExtension(path)); }// w w w . j a v a2 s .c o m public static String getExtension(String path) { String[] split = path.split("\\."); if (split.length > 1) { String ext = split[split.length - 1]; if (ext.length() <= 4) { return ext; } } return ""; } }