Test java applet not working in ie8

I'm new to Java and I'm doing some tutorials from a Java programming book. I created an HTML document with the following applet code:
<applet name="HelloWeb"
code="HelloWeb.class"
width=150
height=100>
</applet>
It's a simple document meant to test a basic applet that displays "Hello, World Wide Web!". However, when I view the page in IE8, the applet displays an error message (which I can't seem to decipher). Can anyone help me with this?
Edited by: 880537 on Aug 19, 2011 7:42 PM

my bad...the error looks like this:
java.lang.UnsupportedClassVersionError: HelloWeb : Unsupported major.minor version 51.0
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClassCond(Unknown Source)
     at java.lang.ClassLoader.defineClass(Unknown Source)
     at java.security.SecureClassLoader.defineClass(Unknown Source)
     at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
     at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Exception: java.lang.UnsupportedClassVersionError: HelloWeb : Unsupported major.minor version 51.0

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   }//end determineColor method
   /*=*****************************************************************************
   * parseHTMLHex(): parses an HTML hex (eg #FFFFFF) and returns the Color object *
   public static Color parseHTMLHex(String htmlHex) {
      Color color = new Color(220,220,220); //default grey
      if (htmlHex != null) {
         String red = htmlHex.substring(1,3);
         String green = htmlHex.substring(3,5);
         String blue = htmlHex.substring(5);
         color = new Color(Integer.parseInt(red,16),
                       Integer.parseInt(green,16),
                       Integer.parseInt(blue,16));
      }//end if
      return color;
   }//end parseHTMLHex method
   /*=******************************************
   * determineFontStyle(): returns font sytle *
   public int determineFontStyle(String value)
      int returnVal;
      if (value == null)
         returnVal = Font.PLAIN;
      else if (value.equalsIgnoreCase("plain"))
         returnVal = Font.PLAIN;
      else if (value.equalsIgnoreCase("bold"))
         returnVal = Font.BOLD;
      else if (value.equalsIgnoreCase("italic"))
         returnVal = Font.ITALIC;
      else if (value.equalsIgnoreCase("bold+italic"))
         returnVal = Font.BOLD + Font.ITALIC;
      else
         returnVal = Font.PLAIN;
      return returnVal;
   }//end determineFontStyle method
   /*=**********************************************************
   * calculateYPosition(): want text to be in middle of applet *
   public void calculateYPosition()
      //wasYPositionCalculated = true;
      //make calculations to center font in applet window
      int appletMidHeight = appletHeight / 2;         //the middle of the applet
      FontMetrics fm = getFontMetrics(fontType);    //font metrics for current font
      int fontMidHeight = fm.getAscent() / 2;         //the middle of the font
      int currentFontSizeValue;                       //temp value for font size
      //if the font size if too big, fix it
      if ((currentFontSizeValue = fm.getAscent()) > appletHeight)
         //cycle through font sizes until find one that fits
         while (currentFontSizeValue > appletHeight)
            fontType = new Font(getParameter("FONTTYPEPARAM"), fontStyle, --fontSize);
            fm = getFontMetrics(fontType);
            currentFontSizeValue = fm.getAscent();
         //set the new values for the new font
         setFont(fontType);
         fm = getFontMetrics(fontType);
         fontMidHeight = fm.getAscent() / 2;
      yPosition = appletMidHeight + fontMidHeight - 3;
   }//end calculateYPosition()
}//end applethtml:<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1252">
<TITLE>Test scroller applet</title>
</head>
<BODY>
<h1>Scroller Applet</h1>

<APPLET
CODE     = "ScrollApplet.class"
NAME     = "TestApplet"
WIDTH    = 400
HEIGHT   = 30
HSPACE   = 0
VSPACE   = 0
ALIGN    = middle
>
<PARAM NAME="DELAYPARAM" VALUE="10">
<PARAM NAME="TEXTPARAM" VALUE="Simple Old Scrolling Applet?">
<PARAM NAME="BGPARAM" VALUE="#000000">
<PARAM NAME="FGPARAM" VALUE="#CCCCCC">
<PARAM NAME="FONTSIZEPARAM" VALUE="24">
<PARAM NAME="FONTTYPEPARAM" VALUE="TimesRoman">
<PARAM NAME="FONTSTYLEPARAM" VALUE="italic">
<PARAM NAME="URLPARAM" VALUE="http://quote.yahoo.com/quotes?SYMBOLS=DISH">
</applet>
</body>
</html>tajenkins

Test java applet not working in ie8

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