Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static String getFileType(String fileName) {
        if (fileName != "" && fileName.length() > 3) {
            int dot = fileName.lastIndexOf(".");
            if (dot > 0) {
                return fileName.substring(dot + 1);
            } else {
                return "";
            }
        }
        return "";
    }
}