Nothing happens with CommandLine

For some reason my program won't run from the command line. I don't get any error messages, just nothing.
I go into Dos, navigate to C:\Program Files\Java\jdk1.6.0\bin and then I type in javac Echo.java. For about 2 seconds the caption of the Dos window changes from "C:\Windows\system32\cmd.exe" to "C:\Windows\system32\cmd.exe - Echo.java" before going back "C:\Windows\system32\cmd.exe". Nothing else happens.
Yes, I have compiled my program, and yes it should print stuff and ask for user input. I tried running another simple program from the Command Line with the same "result".

Just another question.. Is there anyway to debug a
program that uses the commandline without having to
go through dos? Cause if I try to run it in TextPad
or JCreator, I get an error (of course).I'm afraid I don't understand. My favorite debugger is System.out.println(), and I've been doing this for a while. If you're trying to use the command line, I'm afraid you're stuck with DOS, though. If you're getting errors and would like help, be specific, and we'll work it out.

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