Syntax for javac command line in DOS

Can anyone help me with the proper syntax fror the javac command line? Based on the Java Tutorial, I type the following line while in: C:\Program Files\Java>
c:\progra~1\java\bin\javac hellow~1.jav
This returns the following error message:
javac: invalid flag: hellow~1.jav
Usage: javac <options> <source files>
where possible options include:
-g Generate all debugging info
-g:none Generate no debugging info
-g:{lines,vars,source} Generate only some debugging info
Rest deleted, you get the drift. A long time has passed since I have used DOS, but I thought that options were just that; they were not essential to run a program. If they are necessary, how do you set an option? for example, I have tried the command:
C:\Program Files\Java>c:\progra~1\java\bin\javac -g hellow~1
which gives me the following error:
javac: invalid flag: hellow~1
I would really appreciate any suggestions anyone out there has for solving this apparently simple & stupid problem.

Many thanks for these suggestions. I finally got javac to work by putting the file name HelloWorldApp.java inside of quote marks (i.e. "HelloWorldApp.java"). The program compiled the file, & I now have a HelloWorldApp.class file in my java directory. Unfortunately, I am now having trouble with the next tutorial step: getting java to use the file.
I am discovering there are some very strange things about DOS since the last time I used it. For example, the cd command recognizes either cd c:\progra~1\java OR c:\"Program Files"\java. If the quote marks are omitted a "file not found" error is returned. There seems to be some sort of problem with ways that long file names are dealt with in DOS. I notice that many contribs to this list enter long file names or directories without quote marks; indeed, this is standard format in the java tutorial. This is probably a really dumb question, but is there someway to tell DOS to recognize long names without quote marks?
Once again, thanks for the help.

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