public class TempObs implements GeneralTemperatureMonitor.TemperatureObserver{
    public TempObs(GeneralTemperatureMonitor gtm){
        gtm.observers.add(this);
        readFailures = 0;
    }
    int readFailures;
    public void observed(double temp){
        readFailures=0;
        if (temp>25)
            System.out.println("Got large: " + temp);
        if (temp<15)
            System.out.println("Got small: " + temp);
    };
    
    public void noRead(){
        readFailures++;
        if ( readFailures >= 5){
            System.out.println("Failed reading 5 times");
            readFailures = 0;
        }
    };
}