NoClassDefFoundError

Plzz help me regarding this problem.

i created a file called HelloWorldApp.java Which contained the following

/**

* The HelloWorldApp class implements an application that

* simply displays "Hello World!" to the standard output.

*/

class HelloWorldApp {

public static void main(String[] args) {

System.out.println("Hello World!"); //Display the string.

}

}

this is located inC:\j2sdk1.4.2_11\bin>

in compilation

C:\j2sdk1.4.2_11\bin>javac HelloWorldApp.java

C:\j2sdk1.4.2_11\bin>java HelloWorldApp

Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorldApp

i found the above error, so cosidering it to be an error due to classpath i did the following

C:\j2sdk1.4.2_11\bin>set CLASSPATH=C:\j2sdk1.42_11\bin

C:\j2sdk1.4.2_11\bin>java HelloWorldApp

Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorldApp

STILL I AM GETTING THE SAME ERROR

CAN ANY BODY PLZ HELP ME WITH THIS

[1054 byte] By [gaana] at [2007-10-2 16:48:05]