Datasets:
ArXiv:
License:
File size: 1,006 Bytes
c574d3a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 |
package weatherstationex;
import java.util.Observable;
/**
* Created by Administrator on 2017/6/14.
*/
public class GeneralDisplay implements java.util.Observer
{
private float temperature;
private float humidity;
private Observable observable;
public GeneralDisplay(Observable observable)
{
this.observable = observable;
observable.addObserver(this);
}
@Override
public void update(Observable o, Object arg)
{
if (o instanceof WeatherDataObservable)
{
WeatherDataObservable observable = (WeatherDataObservable) o;
this.temperature = observable.getTemperature();
this.humidity = observable.getHumidity();
display();
}
}
private void display()
{
System.out.println(toString());
}
@Override
public String toString()
{
return "使用Java自带的SDK观察者模式"+"temperature=" + temperature + ", humidity=" + humidity ;
}
}
|