Simple include problem (i think)

Question

Here is my code:
import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
public class Example01 extends Frame
     public static void main(String args[])
          new Example01();
        public Example01()
               super("Java 3D Example01");
               setSize(400,300);
               Canvas3D myCanvas3D = new Canvas3D(null);
               add("Center",myCanvas3D);
               setVisible(true);
               addWindowListener(new WindowAdapter()
               public void windowClosing(WindowEvent e)
                    dispose();
                    System.exit(0);
               View myView = constructView(myCanvas3D);
               Locale myLocale = constructViewBranch(myView);
               constructContentBranch(myLocale);
     private View constructView(Canvas3D myCanvas3D)
               View myView = new View();
               myView.addCanvas3D(myCanvas3D);
               myView.setPhysicalBody(new PhysicalBody());
               myView.setPhysicalEnvironment(new PhysicalEnvironment());
          return(myView);
     private Locale constructViewBranch(View myView)
               VirtualUniverse myUniverse = new VirtualUniverse();
               Locale myLocale = new Locale(myUniverse);
               BranchGroup myBranchGroup = new BranchGroup();
               TransformGroup myTransformGroup = new TransformGroup();
               ViewPlatform myViewPlatform = new ViewPlatform();
               myTransformGroup.addChild(myViewPlatform);
               myBranchGroup.addChild(myTransformGroup);
               myLocale.addBranchGraph(myBranchGroup);
               myView.attachViewPlatform(myViewPlatform);
               return(myLocale);
     private void constructContentBranch(Locale myLocale)
}And this is the error I get when I run it:
Exception in thread "main" java.lang.NullPointerException: Canvas3D: null Graphi csConfiguration
at javax.media.j3d.Canvas3D.checkForValidGraphicsConfig(Canvas3D.java:96 3)
at javax.media.j3d.Canvas3D.<init>(Canvas3D.java:1006)
at Example01.<init>(Example01.java:17)
at Example01.main(Example01.java:9)
carsonj@newark:~/Project/ProjectCode$ java Example01.java
Exception in thread "main" java.lang.NoClassDefFoundError: Example01/java
Any help would be appreciated, thanks!
Edited by: tesla66 on Oct 12, 2007 5:12 AM

Answer 1

import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
public class Example01 extends Frame
public static void main(String args[])
new Example01();
public Example01()
super("Java 3D Example01");
setSize(400,300);
Canvas3D myCanvas3D = new Canvas3D(null);
add("Center",myCanvas3D);
setVisible(true);
addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
dispose();
System.exit(0);
View myView = constructView(myCanvas3D);
Locale myLocale = constructViewBranch(myView);
constructContentBranch(myLocale);
private View constructView(Canvas3D myCanvas3D)
View myView = new View();
myView.addCanvas3D(myCanvas3D);
myView.setPhysicalBody(new PhysicalBody());
myView.setPhysicalEnvironment(new PhysicalEnvironment());
return(myView);
private Locale constructViewBranch(View myView)
VirtualUniverse myUniverse = new VirtualUniverse();
Locale myLocale = new Locale(myUniverse);
BranchGroup myBranchGroup = new BranchGroup();
TransformGroup myTransformGroup = new TransformGroup();
ViewPlatform myViewPlatform = new ViewPlatform();
myTransformGroup.addChild(myViewPlatform);
myBranchGroup.addChild(myTransformGroup);
myLocale.addBranchGraph(myBranchGroup);
myView.attachViewPlatform(myViewPlatform);
return(myLocale);
private void constructContentBranch(Locale myLocale)
}Like This