Java tutorial
import java.net.URL; public class MainClass { public static void main(String[] args) { String host = "www.java2s.com"; String file = "/index.html"; String[] schemes = { "http", "https", "ftp", "mailto", "telnet", "file", "ldap", "gopher", "jdbc", "rmi", "jndi", "jar", "doc", "netdoc", "nfs", "verbatim", "finger", "daytime", "systemresource" }; for (int i = 0; i < schemes.length; i++) { try { URL u = new URL(schemes[i], host, file); System.out.println(schemes[i] + " is supported\r\n"); } catch (Exception ex) { System.out.println(schemes[i] + " is not supported\r\n"); } } } }