a) how to bind a windows console application with java application?

link provided by the courtesy of Google search query:

https://www.google.pl/search?q=java+binding+console+to+an+app&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

b) in short:

 InputStream is = p1.getInputStream();
 OutputStream os = p1.getOutputStream();

(supplied by the obvious http://docs.oracle.com/javase/1.4.2/docs/api/java/lang/Process.html)