public class HelloJava {
    public static void main( String[] args ) {
        System.out.println("Hello, I be Lockdown");
    }

}


C:\Users\Lockdown\Documents\NetBeansProjects\Tests\src>java HelloJava
Exception in thread "main" java.lang.NoClassDefFoundError: HelloJava
Caused by: java.lang.ClassNotFoundException: HelloJava
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: HelloJava.  Program will exit.