正在回答 回答被采纳积分+1
2回答
慕斯9009508
2017-11-09 22:27:18
public class Weather { private int temperature; private int humidtiy; boolean flag=false; public int getTemperature() { return temperature; } public void setTemperature(int temperature) { this.temperature = temperature; } public int getHumidtiy() { return humidtiy; } public void setHumidtiy(int humidtiy) { this.humidtiy = humidtiy; } public synchronized void generate(int humodity,int temperature){ if(!flag){ System.out.println("生成数据"+this.toString()); this.setHumidtiy(humidtiy); this.setTemperature(temperature); flag=true; } } public synchronized void read(){ if(flag){ System.out.println("读取数据"+this.toString()); flag=false; } } @Override public String toString() { return "[温度=" + temperature + ", 湿度=" + humidtiy + "]"; } } import java.util.Random; public class GenerateWeather implements Runnable { Weather weather; public GenerateWeather(Weather weather){ this.weather=weather; } @Override public void run() { for(int i=0;i<100;i++){ int s=(int)(Math.random())*30; int t=(int)(Math.random())*40; weather.generate(s,t); try { Thread.currentThread().sleep(5000); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } Thread.currentThread().notifyAll(); } } } public class ReadWeather implements Runnable { Weather weather; public ReadWeather(Weather weather){ this.weather=weather; } @Override public void run() { for(int i=0;i<100;i++){ weather.read(); try { Thread.currentThread().sleep(10); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } Thread.currentThread().notifyAll(); } } } package com.java.weather; public class Test { public static void main(String[] args) { Weather weather=new Weather(); GenerateWeather gweather=new GenerateWeather(weather); ReadWeather rweather=new ReadWeather(weather); new Thread(gweather).start(); new Thread(rweather).start(); } }
Java零基础入门18
- 参与学习 人
- 提交作业 7317 份
- 解答问题 14452 个
想要入门学编程?多年一直活跃在编程语言排行版前列的Java是一个很好的选择。本路径将从Java基础语法、面向对象、常用工具类三部分,为你开启软件开发的大门!
了解课程
恭喜解决一个难题,获得1积分~
来为老师/同学的回答评分吧
0 星