From Forum Nokia Wiki

/**
* This program demonstrates how to establish a
* HttpConnection and uses it to send a GET request
* to web server.
*
*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;
 
 
 
public class HttpGET extends MIDlet implements CommandListener 
{
 
/*
* the default value for the url string is 
* 
* user can change it to some other urls within the application 
*/
   private static String defaultURL = "http://localhost";
 
 
   // GUI component for user to enter web url
   private Display myDisplay = null;
   private Form mainScreen;
   private TextField requestField;
 
   // GUI component for displaying web page content
   private Form resultScreen;
   private StringItem resultField;
 
   // the "send" button used on mainScreen
   Command sendCommand = new Command("SEND", Command.OK, 1);
   // the "back" button used on resultScreen
   Command backCommand = new Command("BACK", Command.OK, 1);
 
   public HttpGET()
   {
 
      // initializing the GUI components for entering web urls
      myDisplay = Display.getDisplay(this);
      mainScreen = new Form("Type in a URL:");
      requestField = new TextField(null, defaultURL, 100, TextField.URL);
      mainScreen.append(requestField);
      mainScreen.addCommand(sendCommand);
      mainScreen.setCommandListener(this);
   }
 
   public void startApp() 
   {
      myDisplay.setCurrent(mainScreen);
   }
 
   public void pauseApp() 
   {
   }
 
   public void destroyApp(boolean unconditional) 
   {
   }
 
   public void commandAction(Command c, Displayable s) 
   {
 
      // when user clicks on "send" button on mainScreen
      if (c == sendCommand) 
      {
         // retrieving the web url that user entered
         String urlstring = requestField.getString();
 
         // sending a GET request to web server
         String resultstring = sendGetRequest(urlstring);
 
         // displaying the page content retrieved from web server
         resultScreen = new Form("GET Result:");
         resultField = new StringItem(null, resultstring);
         resultScreen.append(resultField);
         resultScreen.addCommand(backCommand);
         resultScreen.setCommandListener(this);
         myDisplay.setCurrent(resultScreen);
 
      } 
      else if (c == backCommand) 
      {
 
         // do it all over again
         requestField.setString(defaultURL);
         myDisplay.setCurrent(mainScreen); 
      }
   }
 
   // send a GET request to web server
   public String sendGetRequest(String urlstring) 
   {
 
      HttpConnection hc = null;
      DataInputStream dis = null;
 
      String message = "";
 
      try 
      {
 
         /* openning up http connection with the web server
         *  when the connection is opened, the default request
         *  method is GET
         */
         hc = (HttpConnection) 
         Connector.open(urlstring);
 
         // establishing input stream from the connection
         dis = new DataInputStream(hc.openInputStream());
 
         // reading the response from web server character by character
         int ch;
         while( (ch = dis.read()) != -1 ) 
         {
            message = message + (char) ch;
         }
 
      } 
      catch (IOException ioe) 
      {
         message = "ERROR";
      } 
      finally 
      {
         try { if(hc != null)  hc.close(); } catch (IOException ignored) {}
         try { if(dis != null) dis.close();} catch (IOException ignored) {} 
      }
      return message;
   }
}