URLConnection: setRequestProperty(String key, String value)

import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;

class MainClass {
  public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.x.com");
    URLConnection urlc = url.openConnection();
    urlc.setRequestProperty("User-Agent", "Mozilla 5.0 (Windows; U; "
        + "Windows NT 5.1; en-US; rv:1.8.0.11) ");

    InputStream is = urlc.getInputStream();
    int c;
    while ((c = is.read()) != -1)
      System.out.print((char) c);
  }
}