Working with 1.1.8 under Netscape Communicator 4.8:

You can redirect standard output via the following, but
public void setOut(java.io.PrintStream out)

Netscape System Target, hosted by Sun.
UniversalExecAccess needs to be granted for setErr, SetIn, and setOut to be allowed within an applet.

PrivilegeManager.enablePrivilege(“UniversalExecAccess”)