5-1天气数据同步程序是否正确

import java.util.Random;

public class Weather {

private int temperature;//温度

private int humidity;//湿度

boolean flag=false;

//getter和setter方法

public int getTemperatrue() {

return temperature;

}

public void setTemperatrue(int temperatrue) {

this.temperature = temperatrue;

}

public int getHumidity() {

return humidity;

}

public void setHumidity(int humidity) {

this.humidity = humidity;

}

//生成天气数据的方法

public synchronized void generated() {

Random rand = new Random();

if(flag) {

try {

wait();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

setTemperatrue(rand.nextInt(100));

setHumidity(humidity+50);

System.out.println("生成天气数据：温度"+temperature+"湿度"+humidity);

flag=true;//生成天气数据，容器中已经有数据。

notifyAll();

}

//读取天气数据的方法

public synchronized void read() {

if (!flag) {

try {

wait();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

System.out.println("读取温度"+getTemperatrue());

System.out.println("读取湿度"+getHumidity());

flag=false;//读取完毕，容器中没有数据

notifyAll();

}

}

public class GenerateWeather implements Runnable {

private Weather weather;

//构造函数

public GenerateWeather(Weather weather) {

this.weather=weather;

}

@Override

public void run() {

int i=0;

while(i<100) {

try {

Thread.sleep(5000);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

weather.generated();

i++;

}

}

public class ReadWeather implements Runnable {

private Weather weather;

public ReadWeather(Weather weather) {

this.weather=weather;

}

@Override

public void run() {

int i=0;

while(i<100) {

try {

Thread.sleep(100);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

weather.read();

i++;

}

}

}

public class Test3 {

public static void main(String[] args) {

// TODO Auto-generated method stub

Weather weather=new Weather();

new Thread(new GenerateWeather(weather)).start();

new Thread(new ReadWeather(weather)).start();

}

}