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Java Example - Modify the last modification date of a file

黄舟
Release: 2017-02-15 10:12:59
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The following example demonstrates using the fileToChange.lastModified() and fileToChange setLastModified() methods of the File class to modify the last modification date of the file:

/*
 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());
   }}
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The output of the above code is:

Sat Mar 21 22:00:48 CST 2015
true
Fri Apr 10 11:09:19 CST 2015
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