[JAVA3D] Newbie Question

[Wileynet]

I'm going through the Java3D API tutorial chapter 1 for v1.2. I cannot
find a tutorial that is using v1.3 which I have installed. I do not seem
to have a class called Canvas3D. I cannot compile the below code because
the compiler cannot find the class... does anyone know what I can
substitute Canvas3D with or should I just use v1.2 until I grow up?

import java.applet.Applet;
   import java.awt.BorderLayout;
   import java.awt.Frame;
   import java.awt.event.*;
        import java.awt.GraphicsConfiguration;
   import com.sun.j3d.utils.applet.MainFrame;
   import com.sun.j3d.utils.universe.*;
   import com.sun.j3d.utils.geometry.ColorCube;
   import javax.media.j3d.*;
        import javax.vecmath.*;


   public class HelloJava3Da extends Applet {
      public HelloJava3Da() {
         setLayout( new BorderLayout());
         GraphicsConfiguration config =
         SimpleUniverse.getPreferredConfiguration();
         Canvas3D canvas3D = new Canvas3D(config);
         add("Center", canvas3D);

         BranchGroup scene = createSceneGraph();
         scene.compile();

      //simpleUniverse is a Convenience Utility class
         SimpleUniverse simpleU = SimpleUniverse(canvas3D);

      //This Moves the ViewPlatform back a bit so the
      //objects in the scene can be viewed.
         simpleU.getViewingPlatform().setNominalViewingTransform();

         simpleU.addBranchGraph(scene);
      }//end of HelloJava3Da (constructor)

      public BranchGroup createSceneGraph() {
        //Create the root of the branch graph
         BranchGroup objRoot = new BranchGroup();

        //Create a simple shape leaf node, add it to the scene graph.
        //ColorCube is a Convenience Utility class
         objRoot.addChild(new ColorCube(0.4));

         return objRoot;
      }// end of createSceneGraph method of HelloJava3Da

                // The following lines allow this to be run as an
application
                // as well as an applet.

      public static void main(String[] args){
         Frame frame = new MainFrame(new HelloJava3Da(), 256, 256 );
      } // end of main (method of HelloJava3Da)
   }// end of class HelloJava3Da

Thanks for anything...
-Wiley

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