简单的Applet程序，加载失败

import java.util.*;
import java.awt.*;
import java.applet.*;
import java.text.*;
public class MyTest extends Applet
{
String s1,s2,s3,s4;
public void init()
{
s1 = getParameter("p1");
s2 = getParameter("p2");
s3 = getParameter("p3");
s4 = getParameter("p4");
}
public void paint(Graphics g)
{
g.drawString(s1,10,10);
g.drawString(s2,10,30);
g.drawString(s3,10,50);
g.drawString(s4,10,70);
}
}<HTML>
  <HEAD>
    <TITLE>Applet Parameter Test</TITLE>
  </HEAD>
    <Applet code=“MyTest.class" width=300 height=300>
    <param name=p1 value="1111111">
    <param name=p2 value="2222222">
    <param name=p3 value="3333333">
    <param name=p4 value="4444444">
    </applet>
</HTML>
错误说明是这样的:载入：找不到类 “MyTest.class"。
java.lang.ClassNotFoundException: “MyTest.class"
at sun.applet.AppletClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadCode(Unknown Source)
at sun.applet.AppletPanel.createApplet(Unknown Source)
at sun.plugin.AppletViewer.createApplet(Unknown Source)
at sun.applet.AppletPanel.runLoader(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.FileNotFoundException: D:\project\Temp\“MyTest\class".class (系统找不到指定的路径。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.connect(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.getInputStream(Unknown Source)
at sun.applet.AppletClassLoader.getBytes(Unknown Source)
at sun.applet.AppletClassLoader.access$100(Unknown Source)
at sun.applet.AppletClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 10 more
载入：找不到类 “MyTest.class"。
java.lang.ClassNotFoundException: “MyTest.class"
at sun.applet.AppletClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.applet.AppletClassLoader.loadCode(Unknown Source)
at sun.applet.AppletPanel.createApplet(Unknown Source)
at sun.plugin.AppletViewer.createApplet(Unknown Source)
at sun.applet.AppletPanel.runLoader(Unknown Source)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.FileNotFoundException: D:\project\Temp\“MyTest\class".class (系统找不到指定的路径。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.connect(Unknown Source)
at sun.net.www.protocol.file.FileURLConnection.getInputStream(Unknown Source)
at sun.applet.AppletClassLoader.getBytes(Unknown Source)
at sun.applet.AppletClassLoader.access$100(Unknown Source)
at sun.applet.AppletClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 10 more但是我JDK里面的所有demo都能运行成功!