From the documentation


public class NoClassDefFoundError
extends LinkageError

Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found.

The searched-for class definition existed when the currently executing class was compiled, but the definition can no longer be found.

Since:
JDK1.0
See Also:
Serialized Form

yassar, thanx! I sorta understand this, but is there a specific line of code i need 2 fix???

No, it's nothing with your code. The class file cannot be found. This is common while using IDE's. The source file is placed in one directory, while the class file somehow ends up in another, and the JVM is looking in the directory that stores the source. Make sure that you have the classfile in the correct directory.

server_crash, thanx! what directories do the classes, .java files, and the sounds and images have 2 be in?

Thank you again.

It's whatever the JVM and JRE are pointing to. If your using an IDE, which I think you are, then the path should be pointing to the directory were the files are located, but in weird circumstances it's not.

What IDE are you using?
Have you looked at the folder that's "suppose" to cotain these files to make sure they are there?

server_crash, I'm using borland jbuilder 9 academic.

well........the error means the JVM can not
find the class file................
there cud b 2 reasons for that...
1. if the class file is not created at all i.e.
being not compiled successfully.
2.the path is not properly set,i.e. JVM
is not finding the class file where it is looking.......

as u said u ar using borland jbuilder.......
dunno bout jbuilder but generally there wud b a directory option
see thru the options and see where
ur directories options are pointing to
and assign the path where ur class files ar created

It will be hard for me too help because I don't have JBuilder. Ok, look for an option to change the properties of your project. If you find it, it should say something about the source path,classpath, or the output path. Change it to the directory containing the file your trying to run. That should clear it up.

server_crash, there's an option called "Output Path" you can change. Is this what I'm looking for?