Java 查询URL对应IP地址
/** * @ClassName TestSocket1 * @Version 1.0 * @Date 2014-9-26 上午10:19:36 */ public class TestSocket1 { public static void main(String[] args) throws UnknownHostException { String str = ""; Scanner scanner = new Scanner(System.in); while (true) { System.out.println("请输入需要查询的URL:"); str = scanner.nextLine().trim(); if (str.equalsIgnoreCase("exit")) { System.out.println("程序退出"); break; } else if (str.length() == 0) { System.out.println("本机IP " + getLocalHost(str)); } else { System.out.println(Arrays.toString(getWebHost(str).toArray())); } } } private static String getLocalHost(String url) throws UnknownHostException { return InetAddress.getLocalHost().toString(); } private static List<String> getWebHost(String url) throws UnknownHostException { List<String> res = new LinkedList<String>(); InetAddress[] address = InetAddress.getAllByName(url); for (InetAddress inetaddress : address) { res.add(inetaddress.getHostAddress()); } return res; } }