Which code fragment would correctly identify the number of arguments passed via the command line to a Java application, excluding the name of the class that is being invoked?

a$.$ int count $=$ args.length;

b$.$ int count $=$ args.length $-1$;

c$.$ int count $=0$; while $($args$[$count$]!=$ null$)$ count $++$;

d$.$ int count$=0$; while $(!($args$[$count$].$equals$("")))$ count $++$;