Java Examples - Get Remote File Size
The following example demonstrates how to obtain remote file size:
/* author by w3big.com Main.java */ 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("../../www.w3cschool.cc/wp-content/themes/w3cschool.cc/assets/img/newlogo.png"); URLConnection conn = url.openConnection(); size = conn.getContentLength(); if (size < 0) System.out.println("无法获取文件大小。"); else System.out.println("文件大小为:" + + size + " bytes"); conn.getInputStream().close(); } }
The above code is run output is:
文件大小为:4261 bytes