Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.File;

public class Main {
    public static String getFileExtension(File file) {
        String name = file.getName();
        int lastIndexOf = name.lastIndexOf(".");
        if (lastIndexOf == -1) {
            return ""; // empty extension
        }
        return name.substring(lastIndexOf);
    }
}