| java | Invoke the JVM | 
| -cp | classpath option | 
| . | use current directory to find
your class files | 
| : | path separator.  On Unix
it's a colon, on Windows it's a semicolon | 
| /home/graderjd/bin/bluej/lib/junit.jar | location of JUnit JAR file | 
| junit.textui.TestRunner | name of JUnit test runner
application | 
| ClimberTest | Your JUnit test you want executed |