Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2015-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

import javax.annotation.Nullable;

public class Main {
    private @Nullable static String extractExtension(String path) {
        int pos = path.lastIndexOf('.');
        if (pos < 0 || pos == path.length() - 1) {
            return null;
        }
        return path.substring(pos + 1);
    }
}