Java tutorial
//package com.java2s; //License from project: Artistic License import java.io.IOException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; public class Main { public static boolean isURLAccessable(String url) throws MalformedURLException, IOException { HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setDoInput(true); conn.setDoOutput(true); return conn.getResponseCode() == 200; } }