import java.net.*;
import java.io.IOException;

public class disableDefaultCache {

  public static void main(String[] args) {
  
  
    try {
      URL u = new URL("http://www.ora.com/");
      URLConnection uc = u.openConnection();

      if (uc.getDefaultUseCaches()) {
        uc.setDefaultUseCaches(false);
      }
    }
    catch (IOException e) {
      System.err.println(e);
    }
    
  }

}