import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
public class MainClass {
public static void main(String[] args) {
URL u;
URLConnection uc;
try {
u = new URL("http://www.rntsoft.com");
try {
uc = u.openConnection();
if (uc.getUseCaches()) {
uc.setUseCaches(false);
}
} catch (IOException e) {
System.err.println(e);
}
} catch (MalformedURLException e) {
System.err.println(e);
}
}
}