Can't run Java program from Terminal

Question

I recently created and compiled a Java program, but it will not run from the Terminal. It isn't the program, because it WILL run from Eclipse. This is what I get from Terminal when I attempt to run the program:

Grants-MBP:~ Grant$ java /Users/Grant/Desktop/Pythagorean
Exception in thread "main" java.lang.NoClassDefFoundError: /Users/Grant/Desktop/Pythagorean
Caused by: java.lang.ClassNotFoundException: .Users.Grant.Desktop.Pythagorean
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

Answer 1

navigate to the desktop folder

cd /Users/Grant/Desktop/

invoke java using

java Pythagorean