sb.append ("username=" + myUser + "&");
sb.append ("user=" + myUser + "&");
  public void postClear () {    StringBuffer sb = new StringBuffer ();    sb.append ("?" + "bogus=ferris&");     sb.append (getProblemPostVar  () + "&");    sb.append ("username=" + myUser + "&");    sb.append ("password=" + myPassword);    if (myExtraOutput)	  System.out.println (getName () + ".postClear - clearing data from previous runs " + 						  myProblem);	String clearDataMsg = sb + "&<PROBLEM NAME="+getProblem ()+"/><CLEARDATABASE" + '\\' + ">";	String reply = postToURL (hostName, postDataFile, clearDataMsg, null, true);    if (myExtraOutput)	  System.out.println (getName () + ".postClear - reply was " + reply);  }