Java Examples - File Modification Time

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Problem Description:

How to check a file is modified at a server or not?

Solution:

Following example shows How to check a file is modified at a server or not.

import java.net.URL;
import java.net.URLConnection;

public class Main {
   public static void main(String[] argv) 
   throws Exception {
      URL u = new URL("http://127.0.0.1/java.bmp");
      URLConnection uc = u.openConnection();
      uc.setUseCaches(false);
      long timestamp = uc.getLastModified();
      System.out.println("The last modification time 
      of java.bmp is :"+timestamp);
   }
}

Result:

The above code sample will produce the following result.

The last modification time of java.bmp is :24 May 2009 12:14:50


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