jbuilder 100例　java源码学习,非常不错,有需要朋友下来

				package moving;								import java.awt.*;				import java.awt.event.*;				import java.applet.*;								class Mov extends Thread{				   public void run(){				   while(true)				  {				  repaint();				  try{mythread.sleep(40);}				  catch(InterruptedException e){}				  }				}				}				public class mov extends Applet {				  public int i=0;				  public boolean flag=true;				  Font myfont=new Font("timsroman",Font.BOLD ,30);				  Color mycolor=new Color(255,255,0);				  Mov mythread=new Mov();				  boolean isStandalone = false;				  /**Get a parameter value*/				  public String getParameter(String key, String def) {				    return isStandalone ? System.getProperty(key, def) :				      (getParameter(key) != null ? getParameter(key) : def);				  }								 public void start(){				 mythread.start();				 }				 public void stop(){				 mythread.stop();				  }								 public void paint(Graphics g)				 {if (flag==true)				  i++;				  else				  i--;				  if (i==280)				  flag=false;				  if (i==0)				  flag=true;				  g.setColor(mycolor);				  g.setFont(myfont);				  g.drawString("world",i,i);				  }				  /**Construct the applet*/				  public mov() {				  }				  /**Initialize the applet*/				  public void init() {				    try {				      jbInit();				    }				    catch(Exception e) {				      e.printStackTrace();				    }				  }				  /**Component initialization*/				  private void jbInit() throws Exception {				  }				  /**Get Applet information*/				  public String getAppletInfo() {				    return "Applet Information";				  }				  /**Get parameter info*/				  public String[][] getParameterInfo() {				    return null;				  }				}