hai members

this is my first topic ..

iam getting the problem while executing the below program

The exeception it is throwing is ...
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please help me regarding this issue.
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Exception in thread "main" java.net.UnknownHostException:
www.hotmail.com
       at java.net.PlainSocketImpl.connect(Unknown Source)
       at java.net.Socket.connect(Unknown Source)
       at java.net.Socket.connect(Unknown Source)
       at sun.net.NetworkClient.doConnect(Unknown Source)
       at sun.net.www.http.HttpClient.openServer(Unknown Source)
       at sun.net.www.http.HttpClient.openServer(Unknown Source)
       at sun.net.www.http.HttpClient.<init>(Unknown Source)
       at sun.net.www.http.HttpClient.<init>(Unknown Source)
       at sun.net.www.http.HttpClient.New(Unknown Source)
       at sun.net.www.http.HttpClient.New(Unknown Source)
       at sun.net.www.http.HttpClient.New(Unknown Source)
       at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Sour
ce)
       at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown
Source)
       at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown So
urce)
       at java.net.URL.openStream(Unknown Source)
       at hostname.main(hostname.java:6)
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My program
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import java.net.*;
import java.io.*;
public class hostname {
  public static void main(String argv[]) throws Exception {
     URL url = new URL("http://www.hotmail.com");
     BufferedReader in = new BufferedReader(new InputStreamReader(
                url.openStream()));
     String line;
     StringBuffer sb = new StringBuffer();
     while ((line = in.readLine()) != null) {
        sb.append(line);
     }
     in.close();
     System.out.println(sb.toString());
  }
}

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