import java.awt.Graphics;import java.awt.Image;import java.lang.Math;//定義一個Neon類public class Neon extends java.applet.Applet implements Runnable {        Image mAge[];        int iMagNdx=0;        Thread endit;//聲明一個擁有Thread對象的變量	//初始化        public void init() {                resize(300,70);                }	//paint方法        public void Paint(Graphics g) {                update(g);                }	//update方法        public void update(Graphics g) {                if(mAge[iMagNdx]==null)                        g.drawString("Error loading pic", 0, 170);                g.drawImage(mAge[iMagNdx],0,0, this);                }	//start方法，開始執(zhí)行線程        public void start() {                if(endit == null) {                        endit=new Thread(this);                        endit.start();                        }                }//取得參數(shù)信息   public String[][] getParameterInfo() {    String[][] info = {      {"picture1",    "String",  "First image to be displayed." },      {"picture2",    "String",  "Second image to be displayed"},    };    return info;  } //取得Applet相關(guān)信息  public String getAppletInfo() {    return "Neon.java, V 1.2";  }    	//停止線程        public void stop() {        	endit.stop();                endit=null;                }	//run方法，線程的核心        public void run() {                mAge=new Image[2];                String m1 = getParameter( "picture1" );                String m2 = getParameter( "picture2" );                mAge[0]=getImage(getDocumentBase(), m1);                mAge[1]=getImage(getDocumentBase(), m2);                for(;;) {                        repaint();                        iMagNdx=iMagNdx==0 ? 1 : 0;try {Thread.sleep( (int) (Math.random()*500));} catch (InterruptedException e){}                        }                }        }