JAVA Exception in main thread java.lang.NoDefFounderror: net/…/AbstractClock

I have a clock program as AbstractClock.java in C:\Users\Neeraj\Prg folder .

CLASSPATH is specified as C:\Users\Neeraj\Prg

COMPILED javac AbstractClock.java with no errors.

RUN AS java -cp . net.sf.fmj.ejmf.toolkit.media.AbstractClock

Getting errors as

Exception in thread "main" java.lang.NoClassDefFoundError: net/sf/fmj/ejmf/toolkit/media/AbstractClock

Caused by: java.lang.ClassNotFoundException: net/sf/fmj/ejmf/toolkit/media/AbstractClock

    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:315)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)

Could not find the main class: com.hib.TranslateSQL.  Program will exit.

PROGRAM:-

package net.sf.fmj.ejmf.toolkit.media;



import java.lang.*;

import javax.media.Clock;

import javax.media.Time;



import javax.media.TimeBase;



public class AbstractClock implements Clock {



    private TimeBase systemtimebase = Manager.getSystemTimeBase();



    public AbstractClock() { super(); }



    ///REST ALL METHODS

}

I am running this in commandprompt in Windows. I have seen other posts and changed classpath and run command, but still error occurs.Please provide steps suitable for running in windows in command prompt to rectify this mistake.