Exception in thread "main" java.lang.NoClassDefFoundError

I receive the following error trying to run the class Music5.class ( it does have a main entry, it is in the C:\java\code\c08\music5 directory)
C:\java\code\c08\music5>java -classpath C:\java\code Music5.class
Exception in thread "main" java.lang.NoClassDefFoundError: Music5/class

C:\java\code\c08\music5>java Music5
Exception in thread "main" java.lang.NoClassDefFoundError: Music5 (wrong name: c
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)


Any thoughts?
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java -classpath C:\java\code Music5 // without .class
is Music5 in a package ?

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kellyputtyAuthor Commented:
Thank you.
It was:
java -classpath C:\java\code c08.music5.Music5

Even if you are in the appropriate directory you need to specify the entire package name?
it is correct too, no need for classpath if you are already in C:\java\code
C:\java\code> java c08.music5.Music5

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