发布时间：2015-12-28 01:45:11

生产者/消费者问题的多种Java实现方式 实质上，很多后台服务程序并发控制的基本原理都可以归纳为生产者/消费者模式，而这是恰恰是在本科操作系统课堂上老师反复讲解，而我们却视而不见不以为然的。在博文《一种面向作业流(工作流)的轻量级可复用的异步流水开发框架的设计与实现》中将介绍一种生产者/消费者.........【阅读全文】

发布时间：2015-11-25 23:51:40

package com.ddChat.graphic;import java.awt.Graphics;import javax.swing.JFrame;import javax.swing.JPanel;public class PlotPanel extends JPanel{Graphics g;Plot plot;public PlotPanel(){g = this.getGraphics();System.out.println(g);plot = new Plot(g);}public void paint(Graphics g){S.........【阅读全文】

发布时间：2015-11-25 23:51:04

package com.ddChat.graphic;import java.awt.Graphics;import java.util.Vector;public class Plot extends Painter{Curve curve;XScale xScale;YScale yScale;GData min ;GData max ;public Plot(Graphics g){super(g);min = new GData(1, 2);max = new GData(100, 2);curve = new Curve(g);xScale.........【阅读全文】

发布时间：2015-11-25 23:50:28

package com.ddChat.graphic;import java.awt.Graphics;public class YScale extends Scale{GData min;GData max;private final int MAJOR_TICK_LEN = 10;public YScale(Graphics g){super(g);min = new GData(1, 2);max = new GData(300, 2);}@Overridevoid setG(Graphics g){this.g = g;}@Ov.........【阅读全文】

发布时间：2015-11-25 23:49:48

package com.ddChat.graphic;import java.awt.Graphics;public class XScale extends Scale{GData min ;GData max ;private final int MAJOR_TICK_LEN = 10;public XScale(Graphics g){super(g);min = new GData(1, 2);max = new GData(290, 2);}@Overridevoid setG(Graphics g){this.g = g; }.........【阅读全文】