Java Language - Getting the File size

0 Mfleg.vhm October 03, 2021

Solution

example demonstrates How to get the file size from the server.

import java.net.URL;

import java.net.URLConnection;

public class Main {

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

      int size;

      URL url = new URL("http://www.server.com");

      URLConnection conn = url.openConnection();

      size = conn.getContentLength();

      if (size < 0) System.out.println("Could not determine file size.");

      else System.out.println("The size of file is = " + size + "bytes");

      conn.getInputStream().close();

   }

}

Result

The size of file is = 1312bytes

another example to get the file size from the server.

import java.net.URL;

import java.net.URLConnection;

public class NewClass {

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

      int size;

      URL url = new URL("https://www.tutorialspoint.com/javaexamples/net_multisoc.htm");

      URLConnection conn = url.openConnection();

      size = conn.getContentLength();

      if (size < 0) System.out.println("file size is empty.");

      else System.out.println("File size is = " + size + "bytes");

      conn.getInputStream().close();

   }

}