package com.imooc.weather;

public class Weather {
	private int temperature;// 温度
	private int humidity;// 湿度

	public Weather() {

	}

	public Weather(int temperature, int humidity) {

		this.setTemperature(temperature);
		this.setHumidity(humidity);
	}

	public int getTemperature() {
		return temperature;
	}

	public void setTemperature(int temperature) {
		this.temperature = temperature;
	}

	public int getHumidity() {
		return humidity;
	}

	public void setHumidity(int humidity) {
		this.humidity = humidity;
	}

	boolean flag = true;

	public synchronized void generate() {
		if (!flag) {
			try {
				wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		this.temperature = (int) (Math.random() * 41);
		this.humidity = (int) (Math.random() * 101);
		System.out.println("生成天气数据："+toString());
		flag = false;
		notifyAll();

	}

	public synchronized void read() {
		if (flag) {
			try {
				wait();
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		System.out.println(	"读取天气数据："+toString());

		flag = true;
		notifyAll();
	}

	@Override
	public String toString() {
		return " [温度：" + temperature + ", 湿度：" + humidity + "]";
	}

}

package com.imooc.weather;

public class GenerateWeather implements Runnable {

	Weather weather;

	public GenerateWeather(Weather weather) {
		this.weather=weather;
	}

	@Override
	public void run() {
		for(int i=1;i<=100;i++) {

			try {
				Thread.sleep(5000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

			weather.generate();

		}

	}

}

package com.imooc.weather;

public class ReadWeather implements Runnable {
	Weather weather;

	public ReadWeather(Weather weather) {
		this.weather=weather;
	}

	@Override
	public void run() {
		for(int i=1;i<=100;i++) {
			try {
				Thread.sleep(500);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

			weather.read();

		}

	}

}

package com.imooc.weather;

public class WeatherTest {

	public static void main(String[] args) {
		Weather weather=new Weather();
		GenerateWeather genwt=new GenerateWeather(weather);
		ReadWeather rewt=new ReadWeather(weather);
		Thread thgen=new Thread(genwt);
		Thread thre=new Thread(rewt);

		thgen.start();
		thre.start();
	}

}

​