Java 实例 - 修改文件最后的修改日期

/*
 author by w3cschool.cc
 Main.java
 */import java.io.File;import java.util.Date;public class Main {
   public static void main(String[] args) 
   throws Exception {
      File fileToChange = new File
      ("C:/myjavafile.txt");
      fileToChange.createNewFile();
      Date filetime = new Date
      (fileToChange.lastModified());
      System.out.println(filetime.toString());
      System.out.println      (fileToChange.setLastModified      (System.currentTimeMillis()));
      filetime = new Date
      (fileToChange.lastModified());
      System.out.println(filetime.toString());
   }}