获取文件上次修改时间

/*

 * Copyright 2014 The Codehaus Foundation.

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

//package com.nowjava;

import javax.annotation.Nonnull;
/**时代Java**/

import java.io.File;

import java.io.IOException;

import java.nio.file.Files;


import java.nio.file.attribute.BasicFileAttributes;


public class Main {

    public static void main(String[] argv) throws Exception {

        File file = new File("Main.java");

        System.out.println(getLastModified(file));

    }


    public static long getLastModified(@Nonnull File file) {

        try {

            BasicFileAttributes basicFileAttributes = Files.readAttributes(

                    file.toPath(), BasicFileAttributes.class)