* MountainCar has an integer parameter called pnum that takes values in [0,9]
* Setting this parameter changes the exact mountain car problem you are solving
*/
public static void loadMountainCar(int whichParamSet){
String theEnvString="GeneralizedMountainCar - Java";
ParameterHolder theParams=preload(theEnvString);
theParams.setIntegerParam("pnum",whichParamSet);
load(theEnvString, theParams);
}