You can check to see if you have a java runtime enviroment installed.
C:\java Bad Command of Filename C:\
C:\java The name specified is not recognized as an internal or external command, operable oroigram or batch file. C:\
C:\>java
Usage: java [-options] class [args...]
(to execute a class)
or java -jar [-options] jarfile [args...]
(to execute a jar file)
where options include:
-cp -classpath
set search path for application classes and resources
-D=
set a system property
-verbose[:class|gc|jni]
enable verbose output
-version print product version and exit
-showversion print product version and continue
-? -help print this help message
-X print help on non-standard options
C:\>