public class SteamEngineObserverThermometer implements SimpleObserverI{
  SteamEngineC mySteamEngine;

  SteamEngineObserverThermometer(SteamEngineC myEngine){
    mySteamEngine = myEngine;
    myEngine.add(this);
  }

  @Override
  public void update(){
    int temp = mySteamEngine.getTemp();

    for(int i = 120; i >= 0; i = i - 10){
      if(temp > i){
        System.out.println("X" + "   " + i);
      }
      else{
        System.out.println("O" + "   " + i);
      }
    }
  }
}