Java实现ping
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?<!-- [if gte mso 9]><xml><w:WordDocument><w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel><w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery><w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery><w:DocumentKind>DocumentNotSpecified</w:DocumentKind><w:DrawingGridVerticalSpacing>7.8</w:DrawingGridVerticalSpacing><w:View>Normal</w:View><w:Compatibility></w:Compatibility><w:Zoom>0</w:Zoom></w:WordDocument></xml><![endif]-->
import java.io.IOException;import java.net.InetSocketAddress;import java.net.Socket;import java.net.UnknownHostException;public class Ping {public static void main(String args[]) {try {Socket server = new Socket();InetSocketAddress address = new InetSocketAddress("127.0.0.1",80);server.connect(address, 5000);server.close();System.out.println("telnet ok");} catch (UnknownHostException e) {System.out.println("telnet失败");} catch (IOException e) {System.out.println("telnet失败");}}}?
