What happens when I use javaw to run the java program in the following scenario?

Question

Say suppose I am running a java program through command line. And this program requires some data to enter during the execution. So I was wondering on what happens if somebody uses javaw to run this type of program?

That is how to enter the data to the program?

Answer 1

You can't get interactive input, but if you wanted to read from a file, you could, or you could redirect standard input to a file or pipe.

cat myText.txt | javaw myJavaClass

or Windows

type myText.txt | javaw myjavaClass

Answer 2

You can't. Since javaw doesn't allocate a console you have no way of entering data.