5-3 自由编程题请老师点评

//Weather类

public class Weather {

static int temperature;

static int humidity;

// 输入两个值，需要两个布尔型变量控制

static boolean flag1 = false;

static boolean flag2 = false;

public synchronized int getTemperature() {

return temperature;

}

public synchronized int getHumidity() {

return humidity;

}

public synchronized void setValue(int temperature, int humidity) {

this.humidity = humidity;

this.temperature = temperature;

// 两个属性已经赋值

}

// 生成天气数据的方法

public synchronized void generate() {

// 使用随机数获取0-40度之间的温度，0-100之间的湿度

if (flag1) {

try {

wait();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

setValue((int) (1 + Math.random() * 40), (int) (1 + Math.random() * 100));

System.out.println("生成" + new Weather());

flag1 = true;

}

// 读取天气数据的方法

public synchronized void read() {

if (!flag1) {

try {

wait();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

System.out.println("获取" + new Weather());

flag1 = false;

}

// 重写toString方法

@Override

public String toString() {

return "天气数据 [温度：" + temperature + ", 湿度：" + humidity + "]";

}

}

//生产天气数据线程类

public class GenerateWeather implements Runnable {

// 定义Weather对象

Weather weather;

// 构造方法

public GenerateWeather(Weather weather) {

this.weather = weather;

}

public GenerateWeather() {

// TODO Auto-generated constructor stub

}

@Override

public void run() {

// TODO Auto-generated method stub

for (int i = 0; i < 100; i++) {

weather.generate();

try {

Thread.sleep(10);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

//读取天气数据线程类

public class ReadWeather implements Runnable {

// 定义Weather对象

Weather weather;

public ReadWeather(Weather weather) {

this.weather = weather;

}

public Weather getWeather() {

return weather;

}

public void setWeather(Weather weather) {

this.weather = weather;

}

@Override

public void run() {

// TODO Auto-generated method stub

for (int i = 1; i < 100; i++) {

weather.read();

try {

Thread.sleep(10);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

//天气测试类

public class WeatherTest {

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();

}

}