Get an OutputStream into a String

What's the best way to pipe the output from an java.io.OutputStream to a String in Java?

In Java, how do I read/convert an InputStream to a String?

If you have java.io.InputStream object, how should you process that object and produce a String ?

C++ - inheriting ostream crashes on android but not windows

I have implemented a simple ostream and streambuf class. For some reason, it crashes when I try to instantiate my AndroidLogOStream object.

Can I demultiplex streams?

I want to join stderr ( getErrorStream ) and stdout ( getInputStream ) of a Process into a single Stream to be consumed elsewhere. Is there anything in Java's library that will do that for me?